Home / 13,432,003.70-20,148,005.55-9,680,861.30

Finding the Fourth Proportional to 13,432,003.70, 20,148,005.55 and 9,680,861.30

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Solution

The fourth proportional to 13,432,003.70, 20,148,005.55 and 9,680,861.30 is: 14,521,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,003.70 : 20,148,005.55 = 9,680,861.30 : x
  2. Step 2: Convert to fraction form
    13,432,003.70/20,148,005.55 = 9,680,861.30/x
  3. Step 3: Cross multiply
    13,432,003.70x = 20,148,005.55 × 9,680,861.30
  4. Step 4: Simplify right side
    13,432,003.70x = 195,050,047,201,180.25
  5. Step 5: Solve for x
    x = 195,050,047,201,180.25/13,432,003.70
  6. Step 6: Final answer
    x = 14,521,291.95

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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.