Home / 15,905,723,174.92-21,949,922,167.86-8,865,041,641.48

Finding the Fourth Proportional to 15,905,723,174.92, 21,949,922,167.86 and 8,865,041,641.48

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Solution

The fourth proportional to 15,905,723,174.92, 21,949,922,167.86 and 8,865,041,641.48 is: 12,233,770,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905,723,174.92 : 21,949,922,167.86 = 8,865,041,641.48 : x
  2. Step 2: Convert to fraction form
    15,905,723,174.92/21,949,922,167.86 = 8,865,041,641.48/x
  3. Step 3: Cross multiply
    15,905,723,174.92x = 21,949,922,167.86 × 8,865,041,641.48
  4. Step 4: Simplify right side
    15,905,723,174.92x = 194,586,974,045,323,853,824
  5. Step 5: Solve for x
    x = 194,586,974,045,323,853,824/15,905,723,174.92
  6. Step 6: Final answer
    x = 12,233,770,945.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.