Home / 13,479,769.80-20,219,654.70-3,896,117.10

Finding the Fourth Proportional to 13,479,769.80, 20,219,654.70 and 3,896,117.10

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Solution

The fourth proportional to 13,479,769.80, 20,219,654.70 and 3,896,117.10 is: 5,844,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,769.80 : 20,219,654.70 = 3,896,117.10 : x
  2. Step 2: Convert to fraction form
    13,479,769.80/20,219,654.70 = 3,896,117.10/x
  3. Step 3: Cross multiply
    13,479,769.80x = 20,219,654.70 × 3,896,117.10
  4. Step 4: Simplify right side
    13,479,769.80x = 78,778,142,432,765.38
  5. Step 5: Solve for x
    x = 78,778,142,432,765.38/13,479,769.80
  6. Step 6: Final answer
    x = 5,844,175.65

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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.