Home / 13,152,857.60-19,729,286.40-6,754,188.80

Finding the Fourth Proportional to 13,152,857.60, 19,729,286.40 and 6,754,188.80

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Solution

The fourth proportional to 13,152,857.60, 19,729,286.40 and 6,754,188.80 is: 10,131,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,857.60 : 19,729,286.40 = 6,754,188.80 : x
  2. Step 2: Convert to fraction form
    13,152,857.60/19,729,286.40 = 6,754,188.80/x
  3. Step 3: Cross multiply
    13,152,857.60x = 19,729,286.40 × 6,754,188.80
  4. Step 4: Simplify right side
    13,152,857.60x = 133,255,325,234,872.31
  5. Step 5: Solve for x
    x = 133,255,325,234,872.31/13,152,857.60
  6. Step 6: Final answer
    x = 10,131,283.20

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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.