Home / 20,845,218.26-28,766,403.90-11,553,388.20

Finding the Fourth Proportional to 20,845,218.26, 28,766,403.90 and 11,553,388.20

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Solution

The fourth proportional to 20,845,218.26, 28,766,403.90 and 11,553,388.20 is: 15,943,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,218.26 : 28,766,403.90 = 11,553,388.20 : x
  2. Step 2: Convert to fraction form
    20,845,218.26/28,766,403.90 = 11,553,388.20/x
  3. Step 3: Cross multiply
    20,845,218.26x = 28,766,403.90 × 11,553,388.20
  4. Step 4: Simplify right side
    20,845,218.26x = 332,349,431,374,693.94
  5. Step 5: Solve for x
    x = 332,349,431,374,693.94/20,845,218.26
  6. Step 6: Final answer
    x = 15,943,677.21

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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.