Home / 18,211,228.12-25,131,191.22-9,951,108.94

Finding the Fourth Proportional to 18,211,228.12, 25,131,191.22 and 9,951,108.94

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Solution

The fourth proportional to 18,211,228.12, 25,131,191.22 and 9,951,108.94 is: 13,732,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,228.12 : 25,131,191.22 = 9,951,108.94 : x
  2. Step 2: Convert to fraction form
    18,211,228.12/25,131,191.22 = 9,951,108.94/x
  3. Step 3: Cross multiply
    18,211,228.12x = 25,131,191.22 × 9,951,108.94
  4. Step 4: Simplify right side
    18,211,228.12x = 250,083,221,622,191.47
  5. Step 5: Solve for x
    x = 250,083,221,622,191.47/18,211,228.12
  6. Step 6: Final answer
    x = 13,732,364.45

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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.