Home / 7,129,341.40-10,694,012.10-2,081,162.20

Finding the Fourth Proportional to 7,129,341.40, 10,694,012.10 and 2,081,162.20

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Solution

The fourth proportional to 7,129,341.40, 10,694,012.10 and 2,081,162.20 is: 3,121,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,341.40 : 10,694,012.10 = 2,081,162.20 : x
  2. Step 2: Convert to fraction form
    7,129,341.40/10,694,012.10 = 2,081,162.20/x
  3. Step 3: Cross multiply
    7,129,341.40x = 10,694,012.10 × 2,081,162.20
  4. Step 4: Simplify right side
    7,129,341.40x = 22,255,973,748,862.62
  5. Step 5: Solve for x
    x = 22,255,973,748,862.62/7,129,341.40
  6. Step 6: Final answer
    x = 3,121,743.30

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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.