Home / 8,138,844.60-12,208,266.90-4,950,223.80

Finding the Fourth Proportional to 8,138,844.60, 12,208,266.90 and 4,950,223.80

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Solution

The fourth proportional to 8,138,844.60, 12,208,266.90 and 4,950,223.80 is: 7,425,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,844.60 : 12,208,266.90 = 4,950,223.80 : x
  2. Step 2: Convert to fraction form
    8,138,844.60/12,208,266.90 = 4,950,223.80/x
  3. Step 3: Cross multiply
    8,138,844.60x = 12,208,266.90 × 4,950,223.80
  4. Step 4: Simplify right side
    8,138,844.60x = 60,433,653,365,132.22
  5. Step 5: Solve for x
    x = 60,433,653,365,132.22/8,138,844.60
  6. Step 6: Final answer
    x = 7,425,335.70

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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.