Home / 10,936,279.80-16,404,419.70-5,255,134.20

Finding the Fourth Proportional to 10,936,279.80, 16,404,419.70 and 5,255,134.20

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Solution

The fourth proportional to 10,936,279.80, 16,404,419.70 and 5,255,134.20 is: 7,882,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936,279.80 : 16,404,419.70 = 5,255,134.20 : x
  2. Step 2: Convert to fraction form
    10,936,279.80/16,404,419.70 = 5,255,134.20/x
  3. Step 3: Cross multiply
    10,936,279.80x = 16,404,419.70 × 5,255,134.20
  4. Step 4: Simplify right side
    10,936,279.80x = 86,207,426,996,623.73
  5. Step 5: Solve for x
    x = 86,207,426,996,623.73/10,936,279.80
  6. Step 6: Final answer
    x = 7,882,701.30

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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.