Home / 10,557,781.80-15,836,672.70-9,340,060.20

Finding the Fourth Proportional to 10,557,781.80, 15,836,672.70 and 9,340,060.20

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Solution

The fourth proportional to 10,557,781.80, 15,836,672.70 and 9,340,060.20 is: 14,010,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,781.80 : 15,836,672.70 = 9,340,060.20 : x
  2. Step 2: Convert to fraction form
    10,557,781.80/15,836,672.70 = 9,340,060.20/x
  3. Step 3: Cross multiply
    10,557,781.80x = 15,836,672.70 × 9,340,060.20
  4. Step 4: Simplify right side
    10,557,781.80x = 147,915,476,385,696.53
  5. Step 5: Solve for x
    x = 147,915,476,385,696.53/10,557,781.80
  6. Step 6: Final answer
    x = 14,010,090.30

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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.