Home / 12,462,209.10-18,693,313.65-8,207,181.90

Finding the Fourth Proportional to 12,462,209.10, 18,693,313.65 and 8,207,181.90

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Solution

The fourth proportional to 12,462,209.10, 18,693,313.65 and 8,207,181.90 is: 12,310,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,209.10 : 18,693,313.65 = 8,207,181.90 : x
  2. Step 2: Convert to fraction form
    12,462,209.10/18,693,313.65 = 8,207,181.90/x
  3. Step 3: Cross multiply
    12,462,209.10x = 18,693,313.65 × 8,207,181.90
  4. Step 4: Simplify right side
    12,462,209.10x = 153,419,425,439,302.94
  5. Step 5: Solve for x
    x = 153,419,425,439,302.94/12,462,209.10
  6. Step 6: Final answer
    x = 12,310,772.85

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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.