Home / 19,940,239.20-29,910,358.80-17,070,457.80

Finding the Fourth Proportional to 19,940,239.20, 29,910,358.80 and 17,070,457.80

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Solution

The fourth proportional to 19,940,239.20, 29,910,358.80 and 17,070,457.80 is: 25,605,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,239.20 : 29,910,358.80 = 17,070,457.80 : x
  2. Step 2: Convert to fraction form
    19,940,239.20/29,910,358.80 = 17,070,457.80/x
  3. Step 3: Cross multiply
    19,940,239.20x = 29,910,358.80 × 17,070,457.80
  4. Step 4: Simplify right side
    19,940,239.20x = 510,583,517,678,258.69
  5. Step 5: Solve for x
    x = 510,583,517,678,258.69/19,940,239.20
  6. Step 6: Final answer
    x = 25,605,686.70

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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.