Home / 12,260,465.10-18,359,204.85-9,720,045.90

Finding the Fourth Proportional to 12,260,465.10, 18,359,204.85 and 9,720,045.90

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Solution

The fourth proportional to 12,260,465.10, 18,359,204.85 and 9,720,045.90 is: 14,555,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,465.10 : 18,359,204.85 = 9,720,045.90 : x
  2. Step 2: Convert to fraction form
    12,260,465.10/18,359,204.85 = 9,720,045.90/x
  3. Step 3: Cross multiply
    12,260,465.10x = 18,359,204.85 × 9,720,045.90
  4. Step 4: Simplify right side
    12,260,465.10x = 178,452,313,829,502.62
  5. Step 5: Solve for x
    x = 178,452,313,829,502.62/12,260,465.10
  6. Step 6: Final answer
    x = 14,555,101.49

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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.