Home / 8,418,531.20-12,630,129.60-5,584,179.20

Finding the Fourth Proportional to 8,418,531.20, 12,630,129.60 and 5,584,179.20

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Solution

The fourth proportional to 8,418,531.20, 12,630,129.60 and 5,584,179.20 is: 8,377,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,531.20 : 12,630,129.60 = 5,584,179.20 : x
  2. Step 2: Convert to fraction form
    8,418,531.20/12,630,129.60 = 5,584,179.20/x
  3. Step 3: Cross multiply
    8,418,531.20x = 12,630,129.60 × 5,584,179.20
  4. Step 4: Simplify right side
    8,418,531.20x = 70,528,907,005,624.31
  5. Step 5: Solve for x
    x = 70,528,907,005,624.31/8,418,531.20
  6. Step 6: Final answer
    x = 8,377,816.19

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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.