Home / 15,360,439.32-21,198,049.83-8,834,073.21

Finding the Fourth Proportional to 15,360,439.32, 21,198,049.83 and 8,834,073.21

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Solution

The fourth proportional to 15,360,439.32, 21,198,049.83 and 8,834,073.21 is: 12,191,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,439.32 : 21,198,049.83 = 8,834,073.21 : x
  2. Step 2: Convert to fraction form
    15,360,439.32/21,198,049.83 = 8,834,073.21/x
  3. Step 3: Cross multiply
    15,360,439.32x = 21,198,049.83 × 8,834,073.21
  4. Step 4: Simplify right side
    15,360,439.32x = 187,265,124,107,448.06
  5. Step 5: Solve for x
    x = 187,265,124,107,448.06/15,360,439.32
  6. Step 6: Final answer
    x = 12,191,391.16

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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.