Home / 6,519,621.40-9,779,432.10-6,472,382.20

Finding the Fourth Proportional to 6,519,621.40, 9,779,432.10 and 6,472,382.20

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Solution

The fourth proportional to 6,519,621.40, 9,779,432.10 and 6,472,382.20 is: 9,708,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,621.40 : 9,779,432.10 = 6,472,382.20 : x
  2. Step 2: Convert to fraction form
    6,519,621.40/9,779,432.10 = 6,472,382.20/x
  3. Step 3: Cross multiply
    6,519,621.40x = 9,779,432.10 × 6,472,382.20
  4. Step 4: Simplify right side
    6,519,621.40x = 63,296,222,250,148.62
  5. Step 5: Solve for x
    x = 63,296,222,250,148.62/6,519,621.40
  6. Step 6: Final answer
    x = 9,708,573.30

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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.