Home / 13,479,118.20-20,218,763.70-5,392,769.40

Finding the Fourth Proportional to 13,479,118.20, 20,218,763.70 and 5,392,769.40

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Solution

The fourth proportional to 13,479,118.20, 20,218,763.70 and 5,392,769.40 is: 8,089,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,118.20 : 20,218,763.70 = 5,392,769.40 : x
  2. Step 2: Convert to fraction form
    13,479,118.20/20,218,763.70 = 5,392,769.40/x
  3. Step 3: Cross multiply
    13,479,118.20x = 20,218,763.70 × 5,392,769.40
  4. Step 4: Simplify right side
    13,479,118.20x = 109,035,130,187,190.78
  5. Step 5: Solve for x
    x = 109,035,130,187,190.78/13,479,118.20
  6. Step 6: Final answer
    x = 8,089,188.67

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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.