Home / 8,387,867.16-12,561,621.12-4,782,704.40

Finding the Fourth Proportional to 8,387,867.16, 12,561,621.12 and 4,782,704.40

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Solution

The fourth proportional to 8,387,867.16, 12,561,621.12 and 4,782,704.40 is: 7,162,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,867.16 : 12,561,621.12 = 4,782,704.40 : x
  2. Step 2: Convert to fraction form
    8,387,867.16/12,561,621.12 = 4,782,704.40/x
  3. Step 3: Cross multiply
    8,387,867.16x = 12,561,621.12 × 4,782,704.40
  4. Step 4: Simplify right side
    8,387,867.16x = 60,078,520,601,756.93
  5. Step 5: Solve for x
    x = 60,078,520,601,756.93/8,387,867.16
  6. Step 6: Final answer
    x = 7,162,550.32

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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.