Home / 18,126,236.30-25,014,737.52-9,866,837.21

Finding the Fourth Proportional to 18,126,236.30, 25,014,737.52 and 9,866,837.21

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Solution

The fourth proportional to 18,126,236.30, 25,014,737.52 and 9,866,837.21 is: 13,616,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,236.30 : 25,014,737.52 = 9,866,837.21 : x
  2. Step 2: Convert to fraction form
    18,126,236.30/25,014,737.52 = 9,866,837.21/x
  3. Step 3: Cross multiply
    18,126,236.30x = 25,014,737.52 × 9,866,837.21
  4. Step 4: Simplify right side
    18,126,236.30x = 246,816,342,835,645.44
  5. Step 5: Solve for x
    x = 246,816,342,835,645.44/18,126,236.30
  6. Step 6: Final answer
    x = 13,616,524.62

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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.