Home / 20,670,060.30-31,005,090.45-6,293,013.90

Finding the Fourth Proportional to 20,670,060.30, 31,005,090.45 and 6,293,013.90

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Solution

The fourth proportional to 20,670,060.30, 31,005,090.45 and 6,293,013.90 is: 9,439,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670,060.30 : 31,005,090.45 = 6,293,013.90 : x
  2. Step 2: Convert to fraction form
    20,670,060.30/31,005,090.45 = 6,293,013.90/x
  3. Step 3: Cross multiply
    20,670,060.30x = 31,005,090.45 × 6,293,013.90
  4. Step 4: Simplify right side
    20,670,060.30x = 195,115,465,172,607.25
  5. Step 5: Solve for x
    x = 195,115,465,172,607.25/20,670,060.30
  6. Step 6: Final answer
    x = 9,439,520.85

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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.