Home / 20,001,828.30-30,002,742.45-13,837,112.70

Finding the Fourth Proportional to 20,001,828.30, 30,002,742.45 and 13,837,112.70

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Solution

The fourth proportional to 20,001,828.30, 30,002,742.45 and 13,837,112.70 is: 20,755,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,828.30 : 30,002,742.45 = 13,837,112.70 : x
  2. Step 2: Convert to fraction form
    20,001,828.30/30,002,742.45 = 13,837,112.70/x
  3. Step 3: Cross multiply
    20,001,828.30x = 30,002,742.45 × 13,837,112.70
  4. Step 4: Simplify right side
    20,001,828.30x = 415,151,328,589,724.06
  5. Step 5: Solve for x
    x = 415,151,328,589,724.06/20,001,828.30
  6. Step 6: Final answer
    x = 20,755,669.05

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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.