Home / 12,787,265.32-19,178,587.32-3,687,125.56

Finding the Fourth Proportional to 12,787,265.32, 19,178,587.32 and 3,687,125.56

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Solution

The fourth proportional to 12,787,265.32, 19,178,587.32 and 3,687,125.56 is: 5,530,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,265.32 : 19,178,587.32 = 3,687,125.56 : x
  2. Step 2: Convert to fraction form
    12,787,265.32/19,178,587.32 = 3,687,125.56/x
  3. Step 3: Cross multiply
    12,787,265.32x = 19,178,587.32 × 3,687,125.56
  4. Step 4: Simplify right side
    12,787,265.32x = 70,713,859,512,263.91
  5. Step 5: Solve for x
    x = 70,713,859,512,263.91/12,787,265.32
  6. Step 6: Final answer
    x = 5,530,022.08

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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.