Home / 7,160,278.54-9,881,183.84-3,897,116.67

Finding the Fourth Proportional to 7,160,278.54, 9,881,183.84 and 3,897,116.67

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Solution

The fourth proportional to 7,160,278.54, 9,881,183.84 and 3,897,116.67 is: 5,378,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,278.54 : 9,881,183.84 = 3,897,116.67 : x
  2. Step 2: Convert to fraction form
    7,160,278.54/9,881,183.84 = 3,897,116.67/x
  3. Step 3: Cross multiply
    7,160,278.54x = 9,881,183.84 × 3,897,116.67
  4. Step 4: Simplify right side
    7,160,278.54x = 38,508,126,196,960.66
  5. Step 5: Solve for x
    x = 38,508,126,196,960.66/7,160,278.54
  6. Step 6: Final answer
    x = 5,378,020.70

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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.