Home / 8,516,827.20-12,775,240.80-4,257,652.80

Finding the Fourth Proportional to 8,516,827.20, 12,775,240.80 and 4,257,652.80

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Solution

The fourth proportional to 8,516,827.20, 12,775,240.80 and 4,257,652.80 is: 6,386,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,827.20 : 12,775,240.80 = 4,257,652.80 : x
  2. Step 2: Convert to fraction form
    8,516,827.20/12,775,240.80 = 4,257,652.80/x
  3. Step 3: Cross multiply
    8,516,827.20x = 12,775,240.80 × 4,257,652.80
  4. Step 4: Simplify right side
    8,516,827.20x = 54,392,539,762,794.24
  5. Step 5: Solve for x
    x = 54,392,539,762,794.24/8,516,827.20
  6. Step 6: Final answer
    x = 6,386,479.20

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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.