Home / 8,381,218.80-12,553,165.80-7,261,474.80

Finding the Fourth Proportional to 8,381,218.80, 12,553,165.80 and 7,261,474.80

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Solution

The fourth proportional to 8,381,218.80, 12,553,165.80 and 7,261,474.80 is: 10,876,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,218.80 : 12,553,165.80 = 7,261,474.80 : x
  2. Step 2: Convert to fraction form
    8,381,218.80/12,553,165.80 = 7,261,474.80/x
  3. Step 3: Cross multiply
    8,381,218.80x = 12,553,165.80 × 7,261,474.80
  4. Step 4: Simplify right side
    8,381,218.80x = 91,154,497,116,921.84
  5. Step 5: Solve for x
    x = 91,154,497,116,921.84/8,381,218.80
  6. Step 6: Final answer
    x = 10,876,043.13

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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.