Home / 19,681,348.60-29,522,022.90-12,083,678.20

Finding the Fourth Proportional to 19,681,348.60, 29,522,022.90 and 12,083,678.20

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Solution

The fourth proportional to 19,681,348.60, 29,522,022.90 and 12,083,678.20 is: 18,125,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,348.60 : 29,522,022.90 = 12,083,678.20 : x
  2. Step 2: Convert to fraction form
    19,681,348.60/29,522,022.90 = 12,083,678.20/x
  3. Step 3: Cross multiply
    19,681,348.60x = 29,522,022.90 × 12,083,678.20
  4. Step 4: Simplify right side
    19,681,348.60x = 356,734,624,536,630.75
  5. Step 5: Solve for x
    x = 356,734,624,536,630.75/19,681,348.60
  6. Step 6: Final answer
    x = 18,125,517.30

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1.5x scale

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.