Home / 15,234,441.89-21,023,530.04-8,708,212.73

Finding the Fourth Proportional to 15,234,441.89, 21,023,530.04 and 8,708,212.73

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Solution

The fourth proportional to 15,234,441.89, 21,023,530.04 and 8,708,212.73 is: 12,017,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,441.89 : 21,023,530.04 = 8,708,212.73 : x
  2. Step 2: Convert to fraction form
    15,234,441.89/21,023,530.04 = 8,708,212.73/x
  3. Step 3: Cross multiply
    15,234,441.89x = 21,023,530.04 × 8,708,212.73
  4. Step 4: Simplify right side
    15,234,441.89x = 183,077,371,923,865.41
  5. Step 5: Solve for x
    x = 183,077,371,923,865.41/15,234,441.89
  6. Step 6: Final answer
    x = 12,017,333.70

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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.