Home / 18,906,004.20-28,373,003.10-7,554,599.40

Finding the Fourth Proportional to 18,906,004.20, 28,373,003.10 and 7,554,599.40

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Solution

The fourth proportional to 18,906,004.20, 28,373,003.10 and 7,554,599.40 is: 11,337,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906,004.20 : 28,373,003.10 = 7,554,599.40 : x
  2. Step 2: Convert to fraction form
    18,906,004.20/28,373,003.10 = 7,554,599.40/x
  3. Step 3: Cross multiply
    18,906,004.20x = 28,373,003.10 × 7,554,599.40
  4. Step 4: Simplify right side
    18,906,004.20x = 214,346,672,195,458.16
  5. Step 5: Solve for x
    x = 214,346,672,195,458.16/18,906,004.20
  6. Step 6: Final answer
    x = 11,337,492.04

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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.