Home / 8,972,769.80-13,449,969.30-4,416,811.40

Finding the Fourth Proportional to 8,972,769.80, 13,449,969.30 and 4,416,811.40

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Solution

The fourth proportional to 8,972,769.80, 13,449,969.30 and 4,416,811.40 is: 6,620,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,769.80 : 13,449,969.30 = 4,416,811.40 : x
  2. Step 2: Convert to fraction form
    8,972,769.80/13,449,969.30 = 4,416,811.40/x
  3. Step 3: Cross multiply
    8,972,769.80x = 13,449,969.30 × 4,416,811.40
  4. Step 4: Simplify right side
    8,972,769.80x = 59,405,977,733,890.03
  5. Step 5: Solve for x
    x = 59,405,977,733,890.03/8,972,769.80
  6. Step 6: Final answer
    x = 6,620,695.62

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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.