Home / 8,817,687.30-12,169,736.55-5,381,924.88

Finding the Fourth Proportional to 8,817,687.30, 12,169,736.55 and 5,381,924.88

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Solution

The fourth proportional to 8,817,687.30, 12,169,736.55 and 5,381,924.88 is: 7,427,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817,687.30 : 12,169,736.55 = 5,381,924.88 : x
  2. Step 2: Convert to fraction form
    8,817,687.30/12,169,736.55 = 5,381,924.88/x
  3. Step 3: Cross multiply
    8,817,687.30x = 12,169,736.55 × 5,381,924.88
  4. Step 4: Simplify right side
    8,817,687.30x = 65,496,607,921,490.37
  5. Step 5: Solve for x
    x = 65,496,607,921,490.37/8,817,687.30
  6. Step 6: Final answer
    x = 7,427,866.93

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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.