Home / 18,341,279.50-25,284,289.35-12,817,505.02

Finding the Fourth Proportional to 18,341,279.50, 25,284,289.35 and 12,817,505.02

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Solution

The fourth proportional to 18,341,279.50, 25,284,289.35 and 12,817,505.02 is: 17,669,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,279.50 : 25,284,289.35 = 12,817,505.02 : x
  2. Step 2: Convert to fraction form
    18,341,279.50/25,284,289.35 = 12,817,505.02/x
  3. Step 3: Cross multiply
    18,341,279.50x = 25,284,289.35 × 12,817,505.02
  4. Step 4: Simplify right side
    18,341,279.50x = 324,081,505,670,757.56
  5. Step 5: Solve for x
    x = 324,081,505,670,757.56/18,341,279.50
  6. Step 6: Final answer
    x = 17,669,514.59

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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.