Home / 8,759,105.40-13,129,715.70-5,919,504.60

Finding the Fourth Proportional to 8,759,105.40, 13,129,715.70 and 5,919,504.60

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Solution

The fourth proportional to 8,759,105.40, 13,129,715.70 and 5,919,504.60 is: 8,873,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,105.40 : 13,129,715.70 = 5,919,504.60 : x
  2. Step 2: Convert to fraction form
    8,759,105.40/13,129,715.70 = 5,919,504.60/x
  3. Step 3: Cross multiply
    8,759,105.40x = 13,129,715.70 × 5,919,504.60
  4. Step 4: Simplify right side
    8,759,105.40x = 77,721,412,482,842.20
  5. Step 5: Solve for x
    x = 77,721,412,482,842.20/8,759,105.40
  6. Step 6: Final answer
    x = 8,873,213.52

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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.