Home / 8,817,702.30-12,169,757.25-5,381,939.88

Finding the Fourth Proportional to 8,817,702.30, 12,169,757.25 and 5,381,939.88

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Solution

The fourth proportional to 8,817,702.30, 12,169,757.25 and 5,381,939.88 is: 7,427,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817,702.30 : 12,169,757.25 = 5,381,939.88 : x
  2. Step 2: Convert to fraction form
    8,817,702.30/12,169,757.25 = 5,381,939.88/x
  3. Step 3: Cross multiply
    8,817,702.30x = 12,169,757.25 × 5,381,939.88
  4. Step 4: Simplify right side
    8,817,702.30x = 65,496,901,873,694.12
  5. Step 5: Solve for x
    x = 65,496,901,873,694.12/8,817,702.30
  6. Step 6: Final answer
    x = 7,427,887.63

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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.