Home / 8,970,607.20-12,395,631.12-6,387,803.92

Finding the Fourth Proportional to 8,970,607.20, 12,395,631.12 and 6,387,803.92

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Solution

The fourth proportional to 8,970,607.20, 12,395,631.12 and 6,387,803.92 is: 8,826,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970,607.20 : 12,395,631.12 = 6,387,803.92 : x
  2. Step 2: Convert to fraction form
    8,970,607.20/12,395,631.12 = 6,387,803.92/x
  3. Step 3: Cross multiply
    8,970,607.20x = 12,395,631.12 × 6,387,803.92
  4. Step 4: Simplify right side
    8,970,607.20x = 79,180,861,059,209.98
  5. Step 5: Solve for x
    x = 79,180,861,059,209.98/8,970,607.20
  6. Step 6: Final answer
    x = 8,826,700.28

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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.