Home / 10,652,957.80-15,979,436.70-3,923,996.20

Finding the Fourth Proportional to 10,652,957.80, 15,979,436.70 and 3,923,996.20

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Solution

The fourth proportional to 10,652,957.80, 15,979,436.70 and 3,923,996.20 is: 5,885,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,957.80 : 15,979,436.70 = 3,923,996.20 : x
  2. Step 2: Convert to fraction form
    10,652,957.80/15,979,436.70 = 3,923,996.20/x
  3. Step 3: Cross multiply
    10,652,957.80x = 15,979,436.70 × 3,923,996.20
  4. Step 4: Simplify right side
    10,652,957.80x = 62,703,248,888,940.54
  5. Step 5: Solve for x
    x = 62,703,248,888,940.54/10,652,957.80
  6. Step 6: Final answer
    x = 5,885,994.30

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Similar ratio
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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.