Home / 5,188,259.12-7,161,708.15-3,123,370.67

Finding the Fourth Proportional to 5,188,259.12, 7,161,708.15 and 3,123,370.67

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Solution

The fourth proportional to 5,188,259.12, 7,161,708.15 and 3,123,370.67 is: 4,311,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,259.12 : 7,161,708.15 = 3,123,370.67 : x
  2. Step 2: Convert to fraction form
    5,188,259.12/7,161,708.15 = 3,123,370.67/x
  3. Step 3: Cross multiply
    5,188,259.12x = 7,161,708.15 × 3,123,370.67
  4. Step 4: Simplify right side
    5,188,259.12x = 22,368,669,147,001.42
  5. Step 5: Solve for x
    x = 22,368,669,147,001.42/5,188,259.12
  6. Step 6: Final answer
    x = 4,311,401.70

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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.