Home / 20,160,922.30-30,241,383.45-11,657,866.30

Finding the Fourth Proportional to 20,160,922.30, 30,241,383.45 and 11,657,866.30

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Solution

The fourth proportional to 20,160,922.30, 30,241,383.45 and 11,657,866.30 is: 17,486,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,922.30 : 30,241,383.45 = 11,657,866.30 : x
  2. Step 2: Convert to fraction form
    20,160,922.30/30,241,383.45 = 11,657,866.30/x
  3. Step 3: Cross multiply
    20,160,922.30x = 30,241,383.45 × 11,657,866.30
  4. Step 4: Simplify right side
    20,160,922.30x = 352,550,004,987,132.75
  5. Step 5: Solve for x
    x = 352,550,004,987,132.75/20,160,922.30
  6. Step 6: Final answer
    x = 17,486,799.45

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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.