Home / 11,521,211.40-17,281,817.10-10,989,770.40

Finding the Fourth Proportional to 11,521,211.40, 17,281,817.10 and 10,989,770.40

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Solution

The fourth proportional to 11,521,211.40, 17,281,817.10 and 10,989,770.40 is: 16,484,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521,211.40 : 17,281,817.10 = 10,989,770.40 : x
  2. Step 2: Convert to fraction form
    11,521,211.40/17,281,817.10 = 10,989,770.40/x
  3. Step 3: Cross multiply
    11,521,211.40x = 17,281,817.10 × 10,989,770.40
  4. Step 4: Simplify right side
    11,521,211.40x = 189,923,202,023,793.88
  5. Step 5: Solve for x
    x = 189,923,202,023,793.88/11,521,211.40
  6. Step 6: Final answer
    x = 16,484,655.60

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Double scale
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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.