Home / 18,192,587.87-25,117,101.50-11,580,906.87

Finding the Fourth Proportional to 18,192,587.87, 25,117,101.50 and 11,580,906.87

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Solution

The fourth proportional to 18,192,587.87, 25,117,101.50 and 11,580,906.87 is: 15,988,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,587.87 : 25,117,101.50 = 11,580,906.87 : x
  2. Step 2: Convert to fraction form
    18,192,587.87/25,117,101.50 = 11,580,906.87/x
  3. Step 3: Cross multiply
    18,192,587.87x = 25,117,101.50 × 11,580,906.87
  4. Step 4: Simplify right side
    18,192,587.87x = 290,878,813,257,932.75
  5. Step 5: Solve for x
    x = 290,878,813,257,932.75/18,192,587.87
  6. Step 6: Final answer
    x = 15,988,864.00

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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.