Home / 15,580,833.22-21,490,398.63-10,935,654.78

Finding the Fourth Proportional to 15,580,833.22, 21,490,398.63 and 10,935,654.78

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Solution

The fourth proportional to 15,580,833.22, 21,490,398.63 and 10,935,654.78 is: 15,083,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,833.22 : 21,490,398.63 = 10,935,654.78 : x
  2. Step 2: Convert to fraction form
    15,580,833.22/21,490,398.63 = 10,935,654.78/x
  3. Step 3: Cross multiply
    15,580,833.22x = 21,490,398.63 × 10,935,654.78
  4. Step 4: Simplify right side
    15,580,833.22x = 235,011,580,582,853.94
  5. Step 5: Solve for x
    x = 235,011,580,582,853.94/15,580,833.22
  6. Step 6: Final answer
    x = 15,083,376.95

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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.