Home / 12,354,117.66-18,505,107.27-9,912,049.38

Finding the Fourth Proportional to 12,354,117.66, 18,505,107.27 and 9,912,049.38

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Solution

The fourth proportional to 12,354,117.66, 18,505,107.27 and 9,912,049.38 is: 14,847,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,117.66 : 18,505,107.27 = 9,912,049.38 : x
  2. Step 2: Convert to fraction form
    12,354,117.66/18,505,107.27 = 9,912,049.38/x
  3. Step 3: Cross multiply
    12,354,117.66x = 18,505,107.27 × 9,912,049.38
  4. Step 4: Simplify right side
    12,354,117.66x = 183,423,537,042,437
  5. Step 5: Solve for x
    x = 183,423,537,042,437/12,354,117.66
  6. Step 6: Final answer
    x = 14,847,158.02

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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.