Home / 7,479,025.20-11,218,537.80-4,642,340.40

Finding the Fourth Proportional to 7,479,025.20, 11,218,537.80 and 4,642,340.40

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Solution

The fourth proportional to 7,479,025.20, 11,218,537.80 and 4,642,340.40 is: 6,963,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,025.20 : 11,218,537.80 = 4,642,340.40 : x
  2. Step 2: Convert to fraction form
    7,479,025.20/11,218,537.80 = 4,642,340.40/x
  3. Step 3: Cross multiply
    7,479,025.20x = 11,218,537.80 × 4,642,340.40
  4. Step 4: Simplify right side
    7,479,025.20x = 52,080,271,257,867.12
  5. Step 5: Solve for x
    x = 52,080,271,257,867.12/7,479,025.20
  6. Step 6: Final answer
    x = 6,963,510.60

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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.