Home / 26,900,868.08-37,120,132.32-15,137,864.42

Finding the Fourth Proportional to 26,900,868.08, 37,120,132.32 and 15,137,864.42

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Solution

The fourth proportional to 26,900,868.08, 37,120,132.32 and 15,137,864.42 is: 20,888,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900,868.08 : 37,120,132.32 = 15,137,864.42 : x
  2. Step 2: Convert to fraction form
    26,900,868.08/37,120,132.32 = 15,137,864.42/x
  3. Step 3: Cross multiply
    26,900,868.08x = 37,120,132.32 × 15,137,864.42
  4. Step 4: Simplify right side
    26,900,868.08x = 561,919,530,127,019.38
  5. Step 5: Solve for x
    x = 561,919,530,127,019.38/26,900,868.08
  6. Step 6: Final answer
    x = 20,888,527.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.