Home / 12,357,565.80-18,536,348.70-11,517,757.80

Finding the Fourth Proportional to 12,357,565.80, 18,536,348.70 and 11,517,757.80

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Solution

The fourth proportional to 12,357,565.80, 18,536,348.70 and 11,517,757.80 is: 17,276,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,565.80 : 18,536,348.70 = 11,517,757.80 : x
  2. Step 2: Convert to fraction form
    12,357,565.80/18,536,348.70 = 11,517,757.80/x
  3. Step 3: Cross multiply
    12,357,565.80x = 18,536,348.70 × 11,517,757.80
  4. Step 4: Simplify right side
    12,357,565.80x = 213,497,174,822,944.88
  5. Step 5: Solve for x
    x = 213,497,174,822,944.88/12,357,565.80
  6. Step 6: Final answer
    x = 17,276,636.70

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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.