Home / 7,980,101.76-11,971,835.70-2,588,333.46

Finding the Fourth Proportional to 7,980,101.76, 11,971,835.70 and 2,588,333.46

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Solution

The fourth proportional to 7,980,101.76, 11,971,835.70 and 2,588,333.46 is: 3,883,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,101.76 : 11,971,835.70 = 2,588,333.46 : x
  2. Step 2: Convert to fraction form
    7,980,101.76/11,971,835.70 = 2,588,333.46/x
  3. Step 3: Cross multiply
    7,980,101.76x = 11,971,835.70 × 2,588,333.46
  4. Step 4: Simplify right side
    7,980,101.76x = 30,987,102,919,932.52
  5. Step 5: Solve for x
    x = 30,987,102,919,932.52/7,980,101.76
  6. Step 6: Final answer
    x = 3,883,046.09

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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.