Home / 25,344,429.60-38,007,313.20-8,305,658.40

Finding the Fourth Proportional to 25,344,429.60, 38,007,313.20 and 8,305,658.40

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Solution

The fourth proportional to 25,344,429.60, 38,007,313.20 and 8,305,658.40 is: 12,455,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344,429.60 : 38,007,313.20 = 8,305,658.40 : x
  2. Step 2: Convert to fraction form
    25,344,429.60/38,007,313.20 = 8,305,658.40/x
  3. Step 3: Cross multiply
    25,344,429.60x = 38,007,313.20 × 8,305,658.40
  4. Step 4: Simplify right side
    25,344,429.60x = 315,675,760,141,010.94
  5. Step 5: Solve for x
    x = 315,675,760,141,010.94/25,344,429.60
  6. Step 6: Final answer
    x = 12,455,429.66

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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.