Home / 12,099,637.20-18,149,455.80-4,914,613.20

Finding the Fourth Proportional to 12,099,637.20, 18,149,455.80 and 4,914,613.20

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Solution

The fourth proportional to 12,099,637.20, 18,149,455.80 and 4,914,613.20 is: 7,371,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,637.20 : 18,149,455.80 = 4,914,613.20 : x
  2. Step 2: Convert to fraction form
    12,099,637.20/18,149,455.80 = 4,914,613.20/x
  3. Step 3: Cross multiply
    12,099,637.20x = 18,149,455.80 × 4,914,613.20
  4. Step 4: Simplify right side
    12,099,637.20x = 89,197,555,047,496.56
  5. Step 5: Solve for x
    x = 89,197,555,047,496.56/12,099,637.20
  6. Step 6: Final answer
    x = 7,371,919.80

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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.