Home / 11,812,515.30-17,718,772.95-8,942,733.90

Finding the Fourth Proportional to 11,812,515.30, 17,718,772.95 and 8,942,733.90

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Solution

The fourth proportional to 11,812,515.30, 17,718,772.95 and 8,942,733.90 is: 13,414,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,515.30 : 17,718,772.95 = 8,942,733.90 : x
  2. Step 2: Convert to fraction form
    11,812,515.30/17,718,772.95 = 8,942,733.90/x
  3. Step 3: Cross multiply
    11,812,515.30x = 17,718,772.95 × 8,942,733.90
  4. Step 4: Simplify right side
    11,812,515.30x = 158,454,271,526,368
  5. Step 5: Solve for x
    x = 158,454,271,526,368/11,812,515.30
  6. Step 6: Final answer
    x = 13,414,100.85

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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.