Home / 20,918,708.44-31,360,091.64-7,270,081.58

Finding the Fourth Proportional to 20,918,708.44, 31,360,091.64 and 7,270,081.58

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Solution

The fourth proportional to 20,918,708.44, 31,360,091.64 and 7,270,081.58 is: 10,898,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,918,708.44 : 31,360,091.64 = 7,270,081.58 : x
  2. Step 2: Convert to fraction form
    20,918,708.44/31,360,091.64 = 7,270,081.58/x
  3. Step 3: Cross multiply
    20,918,708.44x = 31,360,091.64 × 7,270,081.58
  4. Step 4: Simplify right side
    20,918,708.44x = 227,990,424,579,076
  5. Step 5: Solve for x
    x = 227,990,424,579,076/20,918,708.44
  6. Step 6: Final answer
    x = 10,898,876.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.