Home / 12,491,998.40-18,737,997.60-5,773,534.40

Finding the Fourth Proportional to 12,491,998.40, 18,737,997.60 and 5,773,534.40

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Solution

The fourth proportional to 12,491,998.40, 18,737,997.60 and 5,773,534.40 is: 8,660,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,998.40 : 18,737,997.60 = 5,773,534.40 : x
  2. Step 2: Convert to fraction form
    12,491,998.40/18,737,997.60 = 5,773,534.40/x
  3. Step 3: Cross multiply
    12,491,998.40x = 18,737,997.60 × 5,773,534.40
  4. Step 4: Simplify right side
    12,491,998.40x = 108,184,473,730,717.45
  5. Step 5: Solve for x
    x = 108,184,473,730,717.45/12,491,998.40
  6. Step 6: Final answer
    x = 8,660,301.60

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1.5x scale

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.