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Finding the Fourth Proportional to 8,674,753.05, 11,971,229.63 and 4,807,337.85

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Solution

The fourth proportional to 8,674,753.05, 11,971,229.63 and 4,807,337.85 is: 6,634,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,753.05 : 11,971,229.63 = 4,807,337.85 : x
  2. Step 2: Convert to fraction form
    8,674,753.05/11,971,229.63 = 4,807,337.85/x
  3. Step 3: Cross multiply
    8,674,753.05x = 11,971,229.63 × 4,807,337.85
  4. Step 4: Simplify right side
    8,674,753.05x = 57,549,745,287,303.80
  5. Step 5: Solve for x
    x = 57,549,745,287,303.80/8,674,753.05
  6. Step 6: Final answer
    x = 6,634,165.26

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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.