Home / 21,002,838.60-31,504,257.90-5,046,486.60

Finding the Fourth Proportional to 21,002,838.60, 31,504,257.90 and 5,046,486.60

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Solution

The fourth proportional to 21,002,838.60, 31,504,257.90 and 5,046,486.60 is: 7,569,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,838.60 : 31,504,257.90 = 5,046,486.60 : x
  2. Step 2: Convert to fraction form
    21,002,838.60/31,504,257.90 = 5,046,486.60/x
  3. Step 3: Cross multiply
    21,002,838.60x = 31,504,257.90 × 5,046,486.60
  4. Step 4: Simplify right side
    21,002,838.60x = 158,985,815,335,294.12
  5. Step 5: Solve for x
    x = 158,985,815,335,294.12/21,002,838.60
  6. Step 6: Final answer
    x = 7,569,729.90

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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.