Home / 52,998,856.64-79,515,081.12-18,919,448

Finding the Fourth Proportional to 52,998,856.64, 79,515,081.12 and 18,919,448

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Solution

The fourth proportional to 52,998,856.64, 79,515,081.12 and 18,919,448 is: 28,385,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,998,856.64 : 79,515,081.12 = 18,919,448 : x
  2. Step 2: Convert to fraction form
    52,998,856.64/79,515,081.12 = 18,919,448/x
  3. Step 3: Cross multiply
    52,998,856.64x = 79,515,081.12 × 18,919,448
  4. Step 4: Simplify right side
    52,998,856.64x = 1,504,381,442,465,621.75
  5. Step 5: Solve for x
    x = 1,504,381,442,465,621.75/52,998,856.64
  6. Step 6: Final answer
    x = 28,385,167.87

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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.