Home / 7,587,319.77-10,469,868.29-4,279,431.69

Finding the Fourth Proportional to 7,587,319.77, 10,469,868.29 and 4,279,431.69

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Solution

The fourth proportional to 7,587,319.77, 10,469,868.29 and 4,279,431.69 is: 5,905,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587,319.77 : 10,469,868.29 = 4,279,431.69 : x
  2. Step 2: Convert to fraction form
    7,587,319.77/10,469,868.29 = 4,279,431.69/x
  3. Step 3: Cross multiply
    7,587,319.77x = 10,469,868.29 × 4,279,431.69
  4. Step 4: Simplify right side
    7,587,319.77x = 44,805,086,128,954.95
  5. Step 5: Solve for x
    x = 44,805,086,128,954.95/7,587,319.77
  6. Step 6: Final answer
    x = 5,905,258.71

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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.