Home / 14,508,412.47-20,021,608.55-7,981,901.91

Finding the Fourth Proportional to 14,508,412.47, 20,021,608.55 and 7,981,901.91

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Solution

The fourth proportional to 14,508,412.47, 20,021,608.55 and 7,981,901.91 is: 11,015,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,412.47 : 20,021,608.55 = 7,981,901.91 : x
  2. Step 2: Convert to fraction form
    14,508,412.47/20,021,608.55 = 7,981,901.91/x
  3. Step 3: Cross multiply
    14,508,412.47x = 20,021,608.55 × 7,981,901.91
  4. Step 4: Simplify right side
    14,508,412.47x = 159,810,515,526,517.34
  5. Step 5: Solve for x
    x = 159,810,515,526,517.34/14,508,412.47
  6. Step 6: Final answer
    x = 11,015,024.27

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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.