Home / 13,039,909.20-19,559,863.80-8,253,003.60

Finding the Fourth Proportional to 13,039,909.20, 19,559,863.80 and 8,253,003.60

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Solution

The fourth proportional to 13,039,909.20, 19,559,863.80 and 8,253,003.60 is: 12,379,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,909.20 : 19,559,863.80 = 8,253,003.60 : x
  2. Step 2: Convert to fraction form
    13,039,909.20/19,559,863.80 = 8,253,003.60/x
  3. Step 3: Cross multiply
    13,039,909.20x = 19,559,863.80 × 8,253,003.60
  4. Step 4: Simplify right side
    13,039,909.20x = 161,427,626,356,909.69
  5. Step 5: Solve for x
    x = 161,427,626,356,909.69/13,039,909.20
  6. Step 6: Final answer
    x = 12,379,505.40

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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.