Home / 28,218,556.65-42,323,304.24-7,743,494.51

Finding the Fourth Proportional to 28,218,556.65, 42,323,304.24 and 7,743,494.51

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Solution

The fourth proportional to 28,218,556.65, 42,323,304.24 and 7,743,494.51 is: 11,613,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218,556.65 : 42,323,304.24 = 7,743,494.51 : x
  2. Step 2: Convert to fraction form
    28,218,556.65/42,323,304.24 = 7,743,494.51/x
  3. Step 3: Cross multiply
    28,218,556.65x = 42,323,304.24 × 7,743,494.51
  4. Step 4: Simplify right side
    28,218,556.65x = 327,730,273,974,595.62
  5. Step 5: Solve for x
    x = 327,730,273,974,595.62/28,218,556.65
  6. Step 6: Final answer
    x = 11,613,998.48

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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.