Home / 20,799,189.52-28,702,783.56-11,631,868.72

Finding the Fourth Proportional to 20,799,189.52, 28,702,783.56 and 11,631,868.72

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Solution

The fourth proportional to 20,799,189.52, 28,702,783.56 and 11,631,868.72 is: 16,051,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,189.52 : 28,702,783.56 = 11,631,868.72 : x
  2. Step 2: Convert to fraction form
    20,799,189.52/28,702,783.56 = 11,631,868.72/x
  3. Step 3: Cross multiply
    20,799,189.52x = 28,702,783.56 × 11,631,868.72
  4. Step 4: Simplify right side
    20,799,189.52x = 333,867,010,268,494.25
  5. Step 5: Solve for x
    x = 333,867,010,268,494.25/20,799,189.52
  6. Step 6: Final answer
    x = 16,051,924.04

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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.