Home / 8,641,195.20-12,949,623.36-6,611,581.44

Finding the Fourth Proportional to 8,641,195.20, 12,949,623.36 and 6,611,581.44

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Solution

The fourth proportional to 8,641,195.20, 12,949,623.36 and 6,611,581.44 is: 9,908,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641,195.20 : 12,949,623.36 = 6,611,581.44 : x
  2. Step 2: Convert to fraction form
    8,641,195.20/12,949,623.36 = 6,611,581.44/x
  3. Step 3: Cross multiply
    8,641,195.20x = 12,949,623.36 × 6,611,581.44
  4. Step 4: Simplify right side
    8,641,195.20x = 85,617,489,461,966.44
  5. Step 5: Solve for x
    x = 85,617,489,461,966.44/8,641,195.20
  6. Step 6: Final answer
    x = 9,908,061.04

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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.