Home / 21,174,866.27-31,748,360.91-13,964,414.75

Finding the Fourth Proportional to 21,174,866.27, 31,748,360.91 and 13,964,414.75

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Solution

The fourth proportional to 21,174,866.27, 31,748,360.91 and 13,964,414.75 is: 20,937,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174,866.27 : 31,748,360.91 = 13,964,414.75 : x
  2. Step 2: Convert to fraction form
    21,174,866.27/31,748,360.91 = 13,964,414.75/x
  3. Step 3: Cross multiply
    21,174,866.27x = 31,748,360.91 × 13,964,414.75
  4. Step 4: Simplify right side
    21,174,866.27x = 443,347,279,406,931.75
  5. Step 5: Solve for x
    x = 443,347,279,406,931.75/21,174,866.27
  6. Step 6: Final answer
    x = 20,937,429.96

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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.