Home / 7,778,554.44-11,667,831.68-2,098,778.76

Finding the Fourth Proportional to 7,778,554.44, 11,667,831.68 and 2,098,778.76

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Solution

The fourth proportional to 7,778,554.44, 11,667,831.68 and 2,098,778.76 is: 3,148,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,554.44 : 11,667,831.68 = 2,098,778.76 : x
  2. Step 2: Convert to fraction form
    7,778,554.44/11,667,831.68 = 2,098,778.76/x
  3. Step 3: Cross multiply
    7,778,554.44x = 11,667,831.68 × 2,098,778.76
  4. Step 4: Simplify right side
    7,778,554.44x = 24,488,197,305,239.11
  5. Step 5: Solve for x
    x = 24,488,197,305,239.11/7,778,554.44
  6. Step 6: Final answer
    x = 3,148,168.15

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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.