Home / 13,432,001.20-20,148,001.80-9,680,858.80

Finding the Fourth Proportional to 13,432,001.20, 20,148,001.80 and 9,680,858.80

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Solution

The fourth proportional to 13,432,001.20, 20,148,001.80 and 9,680,858.80 is: 14,521,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,001.20 : 20,148,001.80 = 9,680,858.80 : x
  2. Step 2: Convert to fraction form
    13,432,001.20/20,148,001.80 = 9,680,858.80/x
  3. Step 3: Cross multiply
    13,432,001.20x = 20,148,001.80 × 9,680,858.80
  4. Step 4: Simplify right side
    13,432,001.20x = 195,049,960,527,945.88
  5. Step 5: Solve for x
    x = 195,049,960,527,945.88/13,432,001.20
  6. Step 6: Final answer
    x = 14,521,288.20

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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.