Home / 39,139,632.06-54,011,212.51-21,737,098.29

Finding the Fourth Proportional to 39,139,632.06, 54,011,212.51 and 21,737,098.29

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Solution

The fourth proportional to 39,139,632.06, 54,011,212.51 and 21,737,098.29 is: 29,996,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139,632.06 : 54,011,212.51 = 21,737,098.29 : x
  2. Step 2: Convert to fraction form
    39,139,632.06/54,011,212.51 = 21,737,098.29/x
  3. Step 3: Cross multiply
    39,139,632.06x = 54,011,212.51 × 21,737,098.29
  4. Step 4: Simplify right side
    39,139,632.06x = 1,174,047,034,988,611.75
  5. Step 5: Solve for x
    x = 1,174,047,034,988,611.75/39,139,632.06
  6. Step 6: Final answer
    x = 29,996,373.83

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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.