Home / 21,032,961.40-31,552,394.55-6,654,529.90

Finding the Fourth Proportional to 21,032,961.40, 31,552,394.55 and 6,654,529.90

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Solution

The fourth proportional to 21,032,961.40, 31,552,394.55 and 6,654,529.90 is: 9,982,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,961.40 : 31,552,394.55 = 6,654,529.90 : x
  2. Step 2: Convert to fraction form
    21,032,961.40/31,552,394.55 = 6,654,529.90/x
  3. Step 3: Cross multiply
    21,032,961.40x = 31,552,394.55 × 6,654,529.90
  4. Step 4: Simplify right side
    21,032,961.40x = 209,966,352,949,572.06
  5. Step 5: Solve for x
    x = 209,966,352,949,572.06/21,032,961.40
  6. Step 6: Final answer
    x = 9,982,728.96

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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.