Home / 15,520,463.26-21,414,861.40-9,410,393.50

Finding the Fourth Proportional to 15,520,463.26, 21,414,861.40 and 9,410,393.50

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Solution

The fourth proportional to 15,520,463.26, 21,414,861.40 and 9,410,393.50 is: 12,984,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,463.26 : 21,414,861.40 = 9,410,393.50 : x
  2. Step 2: Convert to fraction form
    15,520,463.26/21,414,861.40 = 9,410,393.50/x
  3. Step 3: Cross multiply
    15,520,463.26x = 21,414,861.40 × 9,410,393.50
  4. Step 4: Simplify right side
    15,520,463.26x = 201,522,272,367,834.59
  5. Step 5: Solve for x
    x = 201,522,272,367,834.59/15,520,463.26
  6. Step 6: Final answer
    x = 12,984,294.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.