Home / 8,138,821.60-12,208,232.40-4,950,200.80

Finding the Fourth Proportional to 8,138,821.60, 12,208,232.40 and 4,950,200.80

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Solution

The fourth proportional to 8,138,821.60, 12,208,232.40 and 4,950,200.80 is: 7,425,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,821.60 : 12,208,232.40 = 4,950,200.80 : x
  2. Step 2: Convert to fraction form
    8,138,821.60/12,208,232.40 = 4,950,200.80/x
  3. Step 3: Cross multiply
    8,138,821.60x = 12,208,232.40 × 4,950,200.80
  4. Step 4: Simplify right side
    8,138,821.60x = 60,433,201,793,065.92
  5. Step 5: Solve for x
    x = 60,433,201,793,065.92/8,138,821.60
  6. Step 6: Final answer
    x = 7,425,301.20

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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.