Home / 25,429,425.30-38,140,546.60-8,155,381.54

Finding the Fourth Proportional to 25,429,425.30, 38,140,546.60 and 8,155,381.54

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Solution

The fourth proportional to 25,429,425.30, 38,140,546.60 and 8,155,381.54 is: 12,231,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429,425.30 : 38,140,546.60 = 8,155,381.54 : x
  2. Step 2: Convert to fraction form
    25,429,425.30/38,140,546.60 = 8,155,381.54/x
  3. Step 3: Cross multiply
    25,429,425.30x = 38,140,546.60 × 8,155,381.54
  4. Step 4: Simplify right side
    25,429,425.30x = 311,050,709,725,019.69
  5. Step 5: Solve for x
    x = 311,050,709,725,019.69/25,429,425.30
  6. Step 6: Final answer
    x = 12,231,920.54

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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.