Home / 21,032,691.90-31,551,990.30-6,654,260.40

Finding the Fourth Proportional to 21,032,691.90, 31,551,990.30 and 6,654,260.40

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Solution

The fourth proportional to 21,032,691.90, 31,551,990.30 and 6,654,260.40 is: 9,982,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,691.90 : 31,551,990.30 = 6,654,260.40 : x
  2. Step 2: Convert to fraction form
    21,032,691.90/31,551,990.30 = 6,654,260.40/x
  3. Step 3: Cross multiply
    21,032,691.90x = 31,551,990.30 × 6,654,260.40
  4. Step 4: Simplify right side
    21,032,691.90x = 209,955,159,594,474.12
  5. Step 5: Solve for x
    x = 209,955,159,594,474.12/21,032,691.90
  6. Step 6: Final answer
    x = 9,982,324.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.