Home / 15,324,954.28-21,148,601.88-8,355,574.86

Finding the Fourth Proportional to 15,324,954.28, 21,148,601.88 and 8,355,574.86

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Solution

The fourth proportional to 15,324,954.28, 21,148,601.88 and 8,355,574.86 is: 11,530,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324,954.28 : 21,148,601.88 = 8,355,574.86 : x
  2. Step 2: Convert to fraction form
    15,324,954.28/21,148,601.88 = 8,355,574.86/x
  3. Step 3: Cross multiply
    15,324,954.28x = 21,148,601.88 × 8,355,574.86
  4. Step 4: Simplify right side
    15,324,954.28x = 176,708,726,144,702.88
  5. Step 5: Solve for x
    x = 176,708,726,144,702.88/15,324,954.28
  6. Step 6: Final answer
    x = 11,530,783.25

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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.