Home / 20,676,276.60-31,014,414.90-8,541,707.10

Finding the Fourth Proportional to 20,676,276.60, 31,014,414.90 and 8,541,707.10

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Solution

The fourth proportional to 20,676,276.60, 31,014,414.90 and 8,541,707.10 is: 12,812,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,276.60 : 31,014,414.90 = 8,541,707.10 : x
  2. Step 2: Convert to fraction form
    20,676,276.60/31,014,414.90 = 8,541,707.10/x
  3. Step 3: Cross multiply
    20,676,276.60x = 31,014,414.90 × 8,541,707.10
  4. Step 4: Simplify right side
    20,676,276.60x = 264,916,047,953,675.78
  5. Step 5: Solve for x
    x = 264,916,047,953,675.78/20,676,276.60
  6. Step 6: Final answer
    x = 12,812,560.65

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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.