Home / 18,081,833.82-26,992,689.60-15,495,225.18

Finding the Fourth Proportional to 18,081,833.82, 26,992,689.60 and 15,495,225.18

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Solution

The fourth proportional to 18,081,833.82, 26,992,689.60 and 15,495,225.18 is: 23,131,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081,833.82 : 26,992,689.60 = 15,495,225.18 : x
  2. Step 2: Convert to fraction form
    18,081,833.82/26,992,689.60 = 15,495,225.18/x
  3. Step 3: Cross multiply
    18,081,833.82x = 26,992,689.60 × 15,495,225.18
  4. Step 4: Simplify right side
    18,081,833.82x = 418,257,803,565,844.12
  5. Step 5: Solve for x
    x = 418,257,803,565,844.12/18,081,833.82
  6. Step 6: Final answer
    x = 23,131,381.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.