Home / 13,188,034.80-19,782,052.20-8,883,362.70

Finding the Fourth Proportional to 13,188,034.80, 19,782,052.20 and 8,883,362.70

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Solution

The fourth proportional to 13,188,034.80, 19,782,052.20 and 8,883,362.70 is: 13,325,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,034.80 : 19,782,052.20 = 8,883,362.70 : x
  2. Step 2: Convert to fraction form
    13,188,034.80/19,782,052.20 = 8,883,362.70/x
  3. Step 3: Cross multiply
    13,188,034.80x = 19,782,052.20 × 8,883,362.70
  4. Step 4: Simplify right side
    13,188,034.80x = 175,731,144,642,932.91
  5. Step 5: Solve for x
    x = 175,731,144,642,932.91/13,188,034.80
  6. Step 6: Final answer
    x = 13,325,044.05

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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.