Home / 7,296,279.12-10,068,867.35-3,988,587.72

Finding the Fourth Proportional to 7,296,279.12, 10,068,867.35 and 3,988,587.72

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Solution

The fourth proportional to 7,296,279.12, 10,068,867.35 and 3,988,587.72 is: 5,504,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296,279.12 : 10,068,867.35 = 3,988,587.72 : x
  2. Step 2: Convert to fraction form
    7,296,279.12/10,068,867.35 = 3,988,587.72/x
  3. Step 3: Cross multiply
    7,296,279.12x = 10,068,867.35 × 3,988,587.72
  4. Step 4: Simplify right side
    7,296,279.12x = 40,160,560,721,727.26
  5. Step 5: Solve for x
    x = 40,160,560,721,727.26/7,296,279.12
  6. Step 6: Final answer
    x = 5,504,252.24

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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.