Home / 22,143,816.60-33,215,724.90-20,159,770.20

Finding the Fourth Proportional to 22,143,816.60, 33,215,724.90 and 20,159,770.20

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Solution

The fourth proportional to 22,143,816.60, 33,215,724.90 and 20,159,770.20 is: 30,239,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,816.60 : 33,215,724.90 = 20,159,770.20 : x
  2. Step 2: Convert to fraction form
    22,143,816.60/33,215,724.90 = 20,159,770.20/x
  3. Step 3: Cross multiply
    22,143,816.60x = 33,215,724.90 × 20,159,770.20
  4. Step 4: Simplify right side
    22,143,816.60x = 669,621,381,010,417.88
  5. Step 5: Solve for x
    x = 669,621,381,010,417.88/22,143,816.60
  6. Step 6: Final answer
    x = 30,239,655.30

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Similar ratio
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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.