Home / 43,476,819.30-65,215,186.74-11,128,669.92

Finding the Fourth Proportional to 43,476,819.30, 65,215,186.74 and 11,128,669.92

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Solution

The fourth proportional to 43,476,819.30, 65,215,186.74 and 11,128,669.92 is: 16,692,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476,819.30 : 65,215,186.74 = 11,128,669.92 : x
  2. Step 2: Convert to fraction form
    43,476,819.30/65,215,186.74 = 11,128,669.92/x
  3. Step 3: Cross multiply
    43,476,819.30x = 65,215,186.74 × 11,128,669.92
  4. Step 4: Simplify right side
    43,476,819.30x = 725,758,287,000,620.88
  5. Step 5: Solve for x
    x = 725,758,287,000,620.88/43,476,819.30
  6. Step 6: Final answer
    x = 16,692,994.08

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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.