Home / 13,432,000.20-20,148,000.30-9,680,857.80

Finding the Fourth Proportional to 13,432,000.20, 20,148,000.30 and 9,680,857.80

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Solution

The fourth proportional to 13,432,000.20, 20,148,000.30 and 9,680,857.80 is: 14,521,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,000.20 : 20,148,000.30 = 9,680,857.80 : x
  2. Step 2: Convert to fraction form
    13,432,000.20/20,148,000.30 = 9,680,857.80/x
  3. Step 3: Cross multiply
    13,432,000.20x = 20,148,000.30 × 9,680,857.80
  4. Step 4: Simplify right side
    13,432,000.20x = 195,049,925,858,657.38
  5. Step 5: Solve for x
    x = 195,049,925,858,657.38/13,432,000.20
  6. Step 6: Final answer
    x = 14,521,286.70

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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.