Home / 6,142,340.40-9,213,510.60-4,229,152.80

Finding the Fourth Proportional to 6,142,340.40, 9,213,510.60 and 4,229,152.80

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Solution

The fourth proportional to 6,142,340.40, 9,213,510.60 and 4,229,152.80 is: 6,343,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,340.40 : 9,213,510.60 = 4,229,152.80 : x
  2. Step 2: Convert to fraction form
    6,142,340.40/9,213,510.60 = 4,229,152.80/x
  3. Step 3: Cross multiply
    6,142,340.40x = 9,213,510.60 × 4,229,152.80
  4. Step 4: Simplify right side
    6,142,340.40x = 38,965,344,151,819.68
  5. Step 5: Solve for x
    x = 38,965,344,151,819.68/6,142,340.40
  6. Step 6: Final answer
    x = 6,343,729.20

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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.