Home / 20,357,290.66-28,092,746.25-11,189,736.42

Finding the Fourth Proportional to 20,357,290.66, 28,092,746.25 and 11,189,736.42

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Solution

The fourth proportional to 20,357,290.66, 28,092,746.25 and 11,189,736.42 is: 15,441,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,290.66 : 28,092,746.25 = 11,189,736.42 : x
  2. Step 2: Convert to fraction form
    20,357,290.66/28,092,746.25 = 11,189,736.42/x
  3. Step 3: Cross multiply
    20,357,290.66x = 28,092,746.25 × 11,189,736.42
  4. Step 4: Simplify right side
    20,357,290.66x = 314,350,425,851,443.44
  5. Step 5: Solve for x
    x = 314,350,425,851,443.44/20,357,290.66
  6. Step 6: Final answer
    x = 15,441,663.19

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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.