Home / 13,418,379.46-20,108,947.76-6,113,988.26

Finding the Fourth Proportional to 13,418,379.46, 20,108,947.76 and 6,113,988.26

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Solution

The fourth proportional to 13,418,379.46, 20,108,947.76 and 6,113,988.26 is: 9,162,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,379.46 : 20,108,947.76 = 6,113,988.26 : x
  2. Step 2: Convert to fraction form
    13,418,379.46/20,108,947.76 = 6,113,988.26/x
  3. Step 3: Cross multiply
    13,418,379.46x = 20,108,947.76 × 6,113,988.26
  4. Step 4: Simplify right side
    13,418,379.46x = 122,945,870,525,593.30
  5. Step 5: Solve for x
    x = 122,945,870,525,593.30/13,418,379.46
  6. Step 6: Final answer
    x = 9,162,497.67

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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.