Home / 12,382,329.40-18,573,494.10-3,862,652.20

Finding the Fourth Proportional to 12,382,329.40, 18,573,494.10 and 3,862,652.20

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Solution

The fourth proportional to 12,382,329.40, 18,573,494.10 and 3,862,652.20 is: 5,793,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,329.40 : 18,573,494.10 = 3,862,652.20 : x
  2. Step 2: Convert to fraction form
    12,382,329.40/18,573,494.10 = 3,862,652.20/x
  3. Step 3: Cross multiply
    12,382,329.40x = 18,573,494.10 × 3,862,652.20
  4. Step 4: Simplify right side
    12,382,329.40x = 71,742,947,847,052.03
  5. Step 5: Solve for x
    x = 71,742,947,847,052.03/12,382,329.40
  6. Step 6: Final answer
    x = 5,793,978.30

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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.