Home / 12,105,528.72-18,157,593.24-4,434,349.20

Finding the Fourth Proportional to 12,105,528.72, 18,157,593.24 and 4,434,349.20

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Solution

The fourth proportional to 12,105,528.72, 18,157,593.24 and 4,434,349.20 is: 6,651,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,528.72 : 18,157,593.24 = 4,434,349.20 : x
  2. Step 2: Convert to fraction form
    12,105,528.72/18,157,593.24 = 4,434,349.20/x
  3. Step 3: Cross multiply
    12,105,528.72x = 18,157,593.24 × 4,434,349.20
  4. Step 4: Simplify right side
    12,105,528.72x = 80,517,109,057,719.41
  5. Step 5: Solve for x
    x = 80,517,109,057,719.41/12,105,528.72
  6. Step 6: Final answer
    x = 6,651,267.44

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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.