Home / 18,445,093.80-27,667,640.70-12,944,679.45

Finding the Fourth Proportional to 18,445,093.80, 27,667,640.70 and 12,944,679.45

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Solution

The fourth proportional to 18,445,093.80, 27,667,640.70 and 12,944,679.45 is: 19,417,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,093.80 : 27,667,640.70 = 12,944,679.45 : x
  2. Step 2: Convert to fraction form
    18,445,093.80/27,667,640.70 = 12,944,679.45/x
  3. Step 3: Cross multiply
    18,445,093.80x = 27,667,640.70 × 12,944,679.45
  4. Step 4: Simplify right side
    18,445,093.80x = 358,148,739,999,273.56
  5. Step 5: Solve for x
    x = 358,148,739,999,273.56/18,445,093.80
  6. Step 6: Final answer
    x = 19,417,019.18

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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.