Home / 13,626,538.20-20,421,144.90-11,107,114.20

Finding the Fourth Proportional to 13,626,538.20, 20,421,144.90 and 11,107,114.20

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Solution

The fourth proportional to 13,626,538.20, 20,421,144.90 and 11,107,114.20 is: 16,645,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,538.20 : 20,421,144.90 = 11,107,114.20 : x
  2. Step 2: Convert to fraction form
    13,626,538.20/20,421,144.90 = 11,107,114.20/x
  3. Step 3: Cross multiply
    13,626,538.20x = 20,421,144.90 × 11,107,114.20
  4. Step 4: Simplify right side
    13,626,538.20x = 226,819,988,499,047.56
  5. Step 5: Solve for x
    x = 226,819,988,499,047.56/13,626,538.20
  6. Step 6: Final answer
    x = 16,645,459.41

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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.