Home / 8,387,853.66-12,561,600.87-4,782,690.90

Finding the Fourth Proportional to 8,387,853.66, 12,561,600.87 and 4,782,690.90

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Solution

The fourth proportional to 8,387,853.66, 12,561,600.87 and 4,782,690.90 is: 7,162,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,853.66 : 12,561,600.87 = 4,782,690.90 : x
  2. Step 2: Convert to fraction form
    8,387,853.66/12,561,600.87 = 4,782,690.90/x
  3. Step 3: Cross multiply
    8,387,853.66x = 12,561,600.87 × 4,782,690.90
  4. Step 4: Simplify right side
    8,387,853.66x = 60,078,254,170,381.09
  5. Step 5: Solve for x
    x = 60,078,254,170,381.09/8,387,853.66
  6. Step 6: Final answer
    x = 7,162,530.08

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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.