Home / 21,185,598.60-31,778,397.90-7,002,174.60

Finding the Fourth Proportional to 21,185,598.60, 31,778,397.90 and 7,002,174.60

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Solution

The fourth proportional to 21,185,598.60, 31,778,397.90 and 7,002,174.60 is: 10,503,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,185,598.60 : 31,778,397.90 = 7,002,174.60 : x
  2. Step 2: Convert to fraction form
    21,185,598.60/31,778,397.90 = 7,002,174.60/x
  3. Step 3: Cross multiply
    21,185,598.60x = 31,778,397.90 × 7,002,174.60
  4. Step 4: Simplify right side
    21,185,598.60x = 222,517,890,604,073.31
  5. Step 5: Solve for x
    x = 222,517,890,604,073.31/21,185,598.60
  6. Step 6: Final answer
    x = 10,503,261.90

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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.