Home / 21,732,112.23-29,977,827.53-13,569,178.47

Finding the Fourth Proportional to 21,732,112.23, 29,977,827.53 and 13,569,178.47

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Solution

The fourth proportional to 21,732,112.23, 29,977,827.53 and 13,569,178.47 is: 18,717,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732,112.23 : 29,977,827.53 = 13,569,178.47 : x
  2. Step 2: Convert to fraction form
    21,732,112.23/29,977,827.53 = 13,569,178.47/x
  3. Step 3: Cross multiply
    21,732,112.23x = 29,977,827.53 × 13,569,178.47
  4. Step 4: Simplify right side
    21,732,112.23x = 406,774,491,829,603.38
  5. Step 5: Solve for x
    x = 406,774,491,829,603.38/21,732,112.23
  6. Step 6: Final answer
    x = 18,717,669.39

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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.