Home / 8,734,458.72-12,053,431.08-4,867,142.88

Finding the Fourth Proportional to 8,734,458.72, 12,053,431.08 and 4,867,142.88

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Solution

The fourth proportional to 8,734,458.72, 12,053,431.08 and 4,867,142.88 is: 6,716,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,458.72 : 12,053,431.08 = 4,867,142.88 : x
  2. Step 2: Convert to fraction form
    8,734,458.72/12,053,431.08 = 4,867,142.88/x
  3. Step 3: Cross multiply
    8,734,458.72x = 12,053,431.08 × 4,867,142.88
  4. Step 4: Simplify right side
    8,734,458.72x = 58,665,771,260,592.71
  5. Step 5: Solve for x
    x = 58,665,771,260,592.71/8,734,458.72
  6. Step 6: Final answer
    x = 6,716,589.22

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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.