Home / 16,000,862.20-22,081,247.96-8,658,694.55

Finding the Fourth Proportional to 16,000,862.20, 22,081,247.96 and 8,658,694.55

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Solution

The fourth proportional to 16,000,862.20, 22,081,247.96 and 8,658,694.55 is: 11,949,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000,862.20 : 22,081,247.96 = 8,658,694.55 : x
  2. Step 2: Convert to fraction form
    16,000,862.20/22,081,247.96 = 8,658,694.55/x
  3. Step 3: Cross multiply
    16,000,862.20x = 22,081,247.96 × 8,658,694.55
  4. Step 4: Simplify right side
    16,000,862.20x = 191,194,781,214,750.88
  5. Step 5: Solve for x
    x = 191,194,781,214,750.88/16,000,862.20
  6. Step 6: Final answer
    x = 11,949,029.92

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1.5x scale

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.