Home / 21,755,572.31-30,023,257.80-11,966,273.27

Finding the Fourth Proportional to 21,755,572.31, 30,023,257.80 and 11,966,273.27

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Solution

The fourth proportional to 21,755,572.31, 30,023,257.80 and 11,966,273.27 is: 16,513,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755,572.31 : 30,023,257.80 = 11,966,273.27 : x
  2. Step 2: Convert to fraction form
    21,755,572.31/30,023,257.80 = 11,966,273.27/x
  3. Step 3: Cross multiply
    21,755,572.31x = 30,023,257.80 × 11,966,273.27
  4. Step 4: Simplify right side
    21,755,572.31x = 359,266,507,297,803.50
  5. Step 5: Solve for x
    x = 359,266,507,297,803.50/21,755,572.31
  6. Step 6: Final answer
    x = 16,513,769.54

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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.