Home / 9,679,948.45-13,359,109.68-5,550,363.83

Finding the Fourth Proportional to 9,679,948.45, 13,359,109.68 and 5,550,363.83

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Solution

The fourth proportional to 9,679,948.45, 13,359,109.68 and 5,550,363.83 is: 7,659,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,948.45 : 13,359,109.68 = 5,550,363.83 : x
  2. Step 2: Convert to fraction form
    9,679,948.45/13,359,109.68 = 5,550,363.83/x
  3. Step 3: Cross multiply
    9,679,948.45x = 13,359,109.68 × 5,550,363.83
  4. Step 4: Simplify right side
    9,679,948.45x = 74,147,919,202,272.64
  5. Step 5: Solve for x
    x = 74,147,919,202,272.64/9,679,948.45
  6. Step 6: Final answer
    x = 7,659,949.80

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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.