Home / 21,732,110.73-29,977,825.46-13,569,176.97

Finding the Fourth Proportional to 21,732,110.73, 29,977,825.46 and 13,569,176.97

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Solution

The fourth proportional to 21,732,110.73, 29,977,825.46 and 13,569,176.97 is: 18,717,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732,110.73 : 29,977,825.46 = 13,569,176.97 : x
  2. Step 2: Convert to fraction form
    21,732,110.73/29,977,825.46 = 13,569,176.97/x
  3. Step 3: Cross multiply
    21,732,110.73x = 29,977,825.46 × 13,569,176.97
  4. Step 4: Simplify right side
    21,732,110.73x = 406,774,418,774,665.75
  5. Step 5: Solve for x
    x = 406,774,418,774,665.75/21,732,110.73
  6. Step 6: Final answer
    x = 18,717,667.32

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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.