Home / 12,672,957.24-18,973,209.42-11,868,512.76

Finding the Fourth Proportional to 12,672,957.24, 18,973,209.42 and 11,868,512.76

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Solution

The fourth proportional to 12,672,957.24, 18,973,209.42 and 11,868,512.76 is: 17,768,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,957.24 : 18,973,209.42 = 11,868,512.76 : x
  2. Step 2: Convert to fraction form
    12,672,957.24/18,973,209.42 = 11,868,512.76/x
  3. Step 3: Cross multiply
    12,672,957.24x = 18,973,209.42 × 11,868,512.76
  4. Step 4: Simplify right side
    12,672,957.24x = 225,183,778,099,422.22
  5. Step 5: Solve for x
    x = 225,183,778,099,422.22/12,672,957.24
  6. Step 6: Final answer
    x = 17,768,842.25

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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.