Home / 28,218,557-42,323,304.76-7,743,494.85

Finding the Fourth Proportional to 28,218,557, 42,323,304.76 and 7,743,494.85

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Solution

The fourth proportional to 28,218,557, 42,323,304.76 and 7,743,494.85 is: 11,613,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218,557 : 42,323,304.76 = 7,743,494.85 : x
  2. Step 2: Convert to fraction form
    28,218,557/42,323,304.76 = 7,743,494.85/x
  3. Step 3: Cross multiply
    28,218,557x = 42,323,304.76 × 7,743,494.85
  4. Step 4: Simplify right side
    28,218,557x = 327,730,292,444,040.44
  5. Step 5: Solve for x
    x = 327,730,292,444,040.44/28,218,557
  6. Step 6: Final answer
    x = 11,613,998.99

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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.