Home / 18,445,096.80-27,667,645.20-12,944,682.45

Finding the Fourth Proportional to 18,445,096.80, 27,667,645.20 and 12,944,682.45

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Solution

The fourth proportional to 18,445,096.80, 27,667,645.20 and 12,944,682.45 is: 19,417,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,096.80 : 27,667,645.20 = 12,944,682.45 : x
  2. Step 2: Convert to fraction form
    18,445,096.80/27,667,645.20 = 12,944,682.45/x
  3. Step 3: Cross multiply
    18,445,096.80x = 27,667,645.20 × 12,944,682.45
  4. Step 4: Simplify right side
    18,445,096.80x = 358,148,881,253,266.69
  5. Step 5: Solve for x
    x = 358,148,881,253,266.69/18,445,096.80
  6. Step 6: Final answer
    x = 19,417,023.68

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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.