Home / 6,113,116.80-9,169,675.20-3,278,764.80

Finding the Fourth Proportional to 6,113,116.80, 9,169,675.20 and 3,278,764.80

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Solution

The fourth proportional to 6,113,116.80, 9,169,675.20 and 3,278,764.80 is: 4,918,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113,116.80 : 9,169,675.20 = 3,278,764.80 : x
  2. Step 2: Convert to fraction form
    6,113,116.80/9,169,675.20 = 3,278,764.80/x
  3. Step 3: Cross multiply
    6,113,116.80x = 9,169,675.20 × 3,278,764.80
  4. Step 4: Simplify right side
    6,113,116.80x = 30,065,208,273,192.96
  5. Step 5: Solve for x
    x = 30,065,208,273,192.96/6,113,116.80
  6. Step 6: Final answer
    x = 4,918,147.20

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Double scale
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Similar ratio
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1.5x scale

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.