Home / 10,382,605.90-15,566,536.05-3,990,388.30

Finding the Fourth Proportional to 10,382,605.90, 15,566,536.05 and 3,990,388.30

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Solution

The fourth proportional to 10,382,605.90, 15,566,536.05 and 3,990,388.30 is: 5,982,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,605.90 : 15,566,536.05 = 3,990,388.30 : x
  2. Step 2: Convert to fraction form
    10,382,605.90/15,566,536.05 = 3,990,388.30/x
  3. Step 3: Cross multiply
    10,382,605.90x = 15,566,536.05 × 3,990,388.30
  4. Step 4: Simplify right side
    10,382,605.90x = 62,116,523,325,448.22
  5. Step 5: Solve for x
    x = 62,116,523,325,448.22/10,382,605.90
  6. Step 6: Final answer
    x = 5,982,748.83

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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.