Home / 28,237,976-42,374,879.16-12,064,049.12

Finding the Fourth Proportional to 28,237,976, 42,374,879.16 and 12,064,049.12

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Solution

The fourth proportional to 28,237,976, 42,374,879.16 and 12,064,049.12 is: 18,103,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,976 : 42,374,879.16 = 12,064,049.12 : x
  2. Step 2: Convert to fraction form
    28,237,976/42,374,879.16 = 12,064,049.12/x
  3. Step 3: Cross multiply
    28,237,976x = 42,374,879.16 × 12,064,049.12
  4. Step 4: Simplify right side
    28,237,976x = 511,212,623,640,304.25
  5. Step 5: Solve for x
    x = 511,212,623,640,304.25/28,237,976
  6. Step 6: Final answer
    x = 18,103,727.53

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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.