Home / 18,193,440.16-25,109,149.24-10,354,858.36

Finding the Fourth Proportional to 18,193,440.16, 25,109,149.24 and 10,354,858.36

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Solution

The fourth proportional to 18,193,440.16, 25,109,149.24 and 10,354,858.36 is: 14,290,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,440.16 : 25,109,149.24 = 10,354,858.36 : x
  2. Step 2: Convert to fraction form
    18,193,440.16/25,109,149.24 = 10,354,858.36/x
  3. Step 3: Cross multiply
    18,193,440.16x = 25,109,149.24 × 10,354,858.36
  4. Step 4: Simplify right side
    18,193,440.16x = 260,001,683,920,301.62
  5. Step 5: Solve for x
    x = 260,001,683,920,301.62/18,193,440.16
  6. Step 6: Final answer
    x = 14,290,957.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.