Home / 8,878,314.20-13,331,468.10-5,099,178.20

Finding the Fourth Proportional to 8,878,314.20, 13,331,468.10 and 5,099,178.20

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Solution

The fourth proportional to 8,878,314.20, 13,331,468.10 and 5,099,178.20 is: 7,656,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,314.20 : 13,331,468.10 = 5,099,178.20 : x
  2. Step 2: Convert to fraction form
    8,878,314.20/13,331,468.10 = 5,099,178.20/x
  3. Step 3: Cross multiply
    8,878,314.20x = 13,331,468.10 × 5,099,178.20
  4. Step 4: Simplify right side
    8,878,314.20x = 67,979,531,509,515.42
  5. Step 5: Solve for x
    x = 67,979,531,509,515.42/8,878,314.20
  6. Step 6: Final answer
    x = 7,656,806.23

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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.