Home / 19,966,436.12-29,870,852.45-15,122,695.86

Finding the Fourth Proportional to 19,966,436.12, 29,870,852.45 and 15,122,695.86

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Solution

The fourth proportional to 19,966,436.12, 29,870,852.45 and 15,122,695.86 is: 22,624,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,436.12 : 29,870,852.45 = 15,122,695.86 : x
  2. Step 2: Convert to fraction form
    19,966,436.12/29,870,852.45 = 15,122,695.86/x
  3. Step 3: Cross multiply
    19,966,436.12x = 29,870,852.45 × 15,122,695.86
  4. Step 4: Simplify right side
    19,966,436.12x = 451,727,816,604,672.38
  5. Step 5: Solve for x
    x = 451,727,816,604,672.38/19,966,436.12
  6. Step 6: Final answer
    x = 22,624,358.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.