Home / 12,373,948.80-18,553,729.19-8,279,947.98

Finding the Fourth Proportional to 12,373,948.80, 18,553,729.19 and 8,279,947.98

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Solution

The fourth proportional to 12,373,948.80, 18,553,729.19 and 8,279,947.98 is: 12,415,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,948.80 : 18,553,729.19 = 8,279,947.98 : x
  2. Step 2: Convert to fraction form
    12,373,948.80/18,553,729.19 = 8,279,947.98/x
  3. Step 3: Cross multiply
    12,373,948.80x = 18,553,729.19 × 8,279,947.98
  4. Step 4: Simplify right side
    12,373,948.80x = 153,623,912,486,807.78
  5. Step 5: Solve for x
    x = 153,623,912,486,807.78/12,373,948.80
  6. Step 6: Final answer
    x = 12,415,108.14

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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.