Home / 11,588,340.81-15,994,849.91-7,918,742.73

Finding the Fourth Proportional to 11,588,340.81, 15,994,849.91 and 7,918,742.73

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Solution

The fourth proportional to 11,588,340.81, 15,994,849.91 and 7,918,742.73 is: 10,929,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588,340.81 : 15,994,849.91 = 7,918,742.73 : x
  2. Step 2: Convert to fraction form
    11,588,340.81/15,994,849.91 = 7,918,742.73/x
  3. Step 3: Cross multiply
    11,588,340.81x = 15,994,849.91 × 7,918,742.73
  4. Step 4: Simplify right side
    11,588,340.81x = 126,659,101,402,659.94
  5. Step 5: Solve for x
    x = 126,659,101,402,659.94/11,588,340.81
  6. Step 6: Final answer
    x = 10,929,873.70

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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.