Home / 20,650,164.48-28,496,057.04-11,482,610.40

Finding the Fourth Proportional to 20,650,164.48, 28,496,057.04 and 11,482,610.40

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Solution

The fourth proportional to 20,650,164.48, 28,496,057.04 and 11,482,610.40 is: 15,845,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,164.48 : 28,496,057.04 = 11,482,610.40 : x
  2. Step 2: Convert to fraction form
    20,650,164.48/28,496,057.04 = 11,482,610.40/x
  3. Step 3: Cross multiply
    20,650,164.48x = 28,496,057.04 × 11,482,610.40
  4. Step 4: Simplify right side
    20,650,164.48x = 327,209,120,926,497.19
  5. Step 5: Solve for x
    x = 327,209,120,926,497.19/20,650,164.48
  6. Step 6: Final answer
    x = 15,845,351.80

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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.