Home / 8,197,778.40-12,296,667.60-2,518,285.20

Finding the Fourth Proportional to 8,197,778.40, 12,296,667.60 and 2,518,285.20

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Solution

The fourth proportional to 8,197,778.40, 12,296,667.60 and 2,518,285.20 is: 3,777,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,778.40 : 12,296,667.60 = 2,518,285.20 : x
  2. Step 2: Convert to fraction form
    8,197,778.40/12,296,667.60 = 2,518,285.20/x
  3. Step 3: Cross multiply
    8,197,778.40x = 12,296,667.60 × 2,518,285.20
  4. Step 4: Simplify right side
    8,197,778.40x = 30,966,516,026,399.52
  5. Step 5: Solve for x
    x = 30,966,516,026,399.52/8,197,778.40
  6. Step 6: Final answer
    x = 3,777,427.80

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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.