Home / 15,606,961.52-21,538,443.56-8,731,033.52

Finding the Fourth Proportional to 15,606,961.52, 21,538,443.56 and 8,731,033.52

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Solution

The fourth proportional to 15,606,961.52, 21,538,443.56 and 8,731,033.52 is: 12,049,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,961.52 : 21,538,443.56 = 8,731,033.52 : x
  2. Step 2: Convert to fraction form
    15,606,961.52/21,538,443.56 = 8,731,033.52/x
  3. Step 3: Cross multiply
    15,606,961.52x = 21,538,443.56 × 8,731,033.52
  4. Step 4: Simplify right side
    15,606,961.52x = 188,052,872,690,988.12
  5. Step 5: Solve for x
    x = 188,052,872,690,988.12/15,606,961.52
  6. Step 6: Final answer
    x = 12,049,294.31

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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.