Home / 13,860,778.60-19,126,903.44-8,059,148.76

Finding the Fourth Proportional to 13,860,778.60, 19,126,903.44 and 8,059,148.76

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Solution

The fourth proportional to 13,860,778.60, 19,126,903.44 and 8,059,148.76 is: 11,121,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,778.60 : 19,126,903.44 = 8,059,148.76 : x
  2. Step 2: Convert to fraction form
    13,860,778.60/19,126,903.44 = 8,059,148.76/x
  3. Step 3: Cross multiply
    13,860,778.60x = 19,126,903.44 × 8,059,148.76
  4. Step 4: Simplify right side
    13,860,778.60x = 154,146,560,141,115.75
  5. Step 5: Solve for x
    x = 154,146,560,141,115.75/13,860,778.60
  6. Step 6: Final answer
    x = 11,121,060.70

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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.