Home / 19,870,212.30-29,805,318.45-15,565,540.20

Finding the Fourth Proportional to 19,870,212.30, 29,805,318.45 and 15,565,540.20

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Solution

The fourth proportional to 19,870,212.30, 29,805,318.45 and 15,565,540.20 is: 23,348,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870,212.30 : 29,805,318.45 = 15,565,540.20 : x
  2. Step 2: Convert to fraction form
    19,870,212.30/29,805,318.45 = 15,565,540.20/x
  3. Step 3: Cross multiply
    19,870,212.30x = 29,805,318.45 × 15,565,540.20
  4. Step 4: Simplify right side
    19,870,212.30x = 463,935,882,507,276.62
  5. Step 5: Solve for x
    x = 463,935,882,507,276.62/19,870,212.30
  6. Step 6: Final answer
    x = 23,348,310.30

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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.