Home / 10,382,604.90-15,566,534.55-3,990,387.30

Finding the Fourth Proportional to 10,382,604.90, 15,566,534.55 and 3,990,387.30

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Solution

The fourth proportional to 10,382,604.90, 15,566,534.55 and 3,990,387.30 is: 5,982,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,604.90 : 15,566,534.55 = 3,990,387.30 : x
  2. Step 2: Convert to fraction form
    10,382,604.90/15,566,534.55 = 3,990,387.30/x
  3. Step 3: Cross multiply
    10,382,604.90x = 15,566,534.55 × 3,990,387.30
  4. Step 4: Simplify right side
    10,382,604.90x = 62,116,501,773,331.22
  5. Step 5: Solve for x
    x = 62,116,501,773,331.22/10,382,604.90
  6. Step 6: Final answer
    x = 5,982,747.33

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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.