Home / 15,785,099.65-21,783,503.12-8,541,755.65

Finding the Fourth Proportional to 15,785,099.65, 21,783,503.12 and 8,541,755.65

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Solution

The fourth proportional to 15,785,099.65, 21,783,503.12 and 8,541,755.65 is: 11,787,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785,099.65 : 21,783,503.12 = 8,541,755.65 : x
  2. Step 2: Convert to fraction form
    15,785,099.65/21,783,503.12 = 8,541,755.65/x
  3. Step 3: Cross multiply
    15,785,099.65x = 21,783,503.12 × 8,541,755.65
  4. Step 4: Simplify right side
    15,785,099.65x = 186,069,360,859,392.16
  5. Step 5: Solve for x
    x = 186,069,360,859,392.16/15,785,099.65
  6. Step 6: Final answer
    x = 11,787,658.30

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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.