Home / 13,608,555.27-20,405,745-6,418,158.54

Finding the Fourth Proportional to 13,608,555.27, 20,405,745 and 6,418,158.54

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Solution

The fourth proportional to 13,608,555.27, 20,405,745 and 6,418,158.54 is: 9,623,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,555.27 : 20,405,745 = 6,418,158.54 : x
  2. Step 2: Convert to fraction form
    13,608,555.27/20,405,745 = 6,418,158.54/x
  3. Step 3: Cross multiply
    13,608,555.27x = 20,405,745 × 6,418,158.54
  4. Step 4: Simplify right side
    13,608,555.27x = 130,967,306,536,812.30
  5. Step 5: Solve for x
    x = 130,967,306,536,812.30/13,608,555.27
  6. Step 6: Final answer
    x = 9,623,894.96

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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.