Home / 15,241,092-21,032,978.40-8,366,213.76

Finding the Fourth Proportional to 15,241,092, 21,032,978.40 and 8,366,213.76

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Solution

The fourth proportional to 15,241,092, 21,032,978.40 and 8,366,213.76 is: 11,545,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,092 : 21,032,978.40 = 8,366,213.76 : x
  2. Step 2: Convert to fraction form
    15,241,092/21,032,978.40 = 8,366,213.76/x
  3. Step 3: Cross multiply
    15,241,092x = 21,032,978.40 × 8,366,213.76
  4. Step 4: Simplify right side
    15,241,092x = 175,966,393,303,862.78
  5. Step 5: Solve for x
    x = 175,966,393,303,862.78/15,241,092
  6. Step 6: Final answer
    x = 11,545,523.99

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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.