Home / 29,169,148.80-43,753,723.20-8,971,766.40

Finding the Fourth Proportional to 29,169,148.80, 43,753,723.20 and 8,971,766.40

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Solution

The fourth proportional to 29,169,148.80, 43,753,723.20 and 8,971,766.40 is: 13,457,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169,148.80 : 43,753,723.20 = 8,971,766.40 : x
  2. Step 2: Convert to fraction form
    29,169,148.80/43,753,723.20 = 8,971,766.40/x
  3. Step 3: Cross multiply
    29,169,148.80x = 43,753,723.20 × 8,971,766.40
  4. Step 4: Simplify right side
    29,169,148.80x = 392,548,183,680,660.50
  5. Step 5: Solve for x
    x = 392,548,183,680,660.50/29,169,148.80
  6. Step 6: Final answer
    x = 13,457,649.60

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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.