Home / 20,402,184.30-28,147,892.49-11,580,584.46

Finding the Fourth Proportional to 20,402,184.30, 28,147,892.49 and 11,580,584.46

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Solution

The fourth proportional to 20,402,184.30, 28,147,892.49 and 11,580,584.46 is: 15,977,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,184.30 : 28,147,892.49 = 11,580,584.46 : x
  2. Step 2: Convert to fraction form
    20,402,184.30/28,147,892.49 = 11,580,584.46/x
  3. Step 3: Cross multiply
    20,402,184.30x = 28,147,892.49 × 11,580,584.46
  4. Step 4: Simplify right side
    20,402,184.30x = 325,969,046,351,444.69
  5. Step 5: Solve for x
    x = 325,969,046,351,444.69/20,402,184.30
  6. Step 6: Final answer
    x = 15,977,164.09

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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.