Home / 28,072,514.20-42,124,517.70-11,895,712.60

Finding the Fourth Proportional to 28,072,514.20, 42,124,517.70 and 11,895,712.60

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Solution

The fourth proportional to 28,072,514.20, 42,124,517.70 and 11,895,712.60 is: 17,850,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,514.20 : 42,124,517.70 = 11,895,712.60 : x
  2. Step 2: Convert to fraction form
    28,072,514.20/42,124,517.70 = 11,895,712.60/x
  3. Step 3: Cross multiply
    28,072,514.20x = 42,124,517.70 × 11,895,712.60
  4. Step 4: Simplify right side
    28,072,514.20x = 501,101,155,972,813.06
  5. Step 5: Solve for x
    x = 501,101,155,972,813.06/28,072,514.20
  6. Step 6: Final answer
    x = 17,850,241.43

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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.