Home / 40,012,090.09-55,215,964.55-22,608,061.65

Finding the Fourth Proportional to 40,012,090.09, 55,215,964.55 and 22,608,061.65

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Solution

The fourth proportional to 40,012,090.09, 55,215,964.55 and 22,608,061.65 is: 31,198,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012,090.09 : 55,215,964.55 = 22,608,061.65 : x
  2. Step 2: Convert to fraction form
    40,012,090.09/55,215,964.55 = 22,608,061.65/x
  3. Step 3: Cross multiply
    40,012,090.09x = 55,215,964.55 × 22,608,061.65
  4. Step 4: Simplify right side
    40,012,090.09x = 1,248,325,930,610,614.25
  5. Step 5: Solve for x
    x = 1,248,325,930,610,614.25/40,012,090.09
  6. Step 6: Final answer
    x = 31,198,718.38

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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.