Home / 7,068,729.93-9,755,639.07-4,279,390.65

Finding the Fourth Proportional to 7,068,729.93, 9,755,639.07 and 4,279,390.65

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Solution

The fourth proportional to 7,068,729.93, 9,755,639.07 and 4,279,390.65 is: 5,906,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,729.93 : 9,755,639.07 = 4,279,390.65 : x
  2. Step 2: Convert to fraction form
    7,068,729.93/9,755,639.07 = 4,279,390.65/x
  3. Step 3: Cross multiply
    7,068,729.93x = 9,755,639.07 × 4,279,390.65
  4. Step 4: Simplify right side
    7,068,729.93x = 41,748,190,620,932.70
  5. Step 5: Solve for x
    x = 41,748,190,620,932.70/7,068,729.93
  6. Step 6: Final answer
    x = 5,906,038.43

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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.