Home / 20,155,560.30-30,233,340.45-11,054,141.10

Finding the Fourth Proportional to 20,155,560.30, 30,233,340.45 and 11,054,141.10

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Solution

The fourth proportional to 20,155,560.30, 30,233,340.45 and 11,054,141.10 is: 16,581,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,560.30 : 30,233,340.45 = 11,054,141.10 : x
  2. Step 2: Convert to fraction form
    20,155,560.30/30,233,340.45 = 11,054,141.10/x
  3. Step 3: Cross multiply
    20,155,560.30x = 30,233,340.45 × 11,054,141.10
  4. Step 4: Simplify right side
    20,155,560.30x = 334,203,611,258,637.50
  5. Step 5: Solve for x
    x = 334,203,611,258,637.50/20,155,560.30
  6. Step 6: Final answer
    x = 16,581,211.65

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Double scale
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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.