Home / 8,296,429.70-12,419,761.35-7,301,101.70

Finding the Fourth Proportional to 8,296,429.70, 12,419,761.35 and 7,301,101.70

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Solution

The fourth proportional to 8,296,429.70, 12,419,761.35 and 7,301,101.70 is: 10,929,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,429.70 : 12,419,761.35 = 7,301,101.70 : x
  2. Step 2: Convert to fraction form
    8,296,429.70/12,419,761.35 = 7,301,101.70/x
  3. Step 3: Cross multiply
    8,296,429.70x = 12,419,761.35 × 7,301,101.70
  4. Step 4: Simplify right side
    8,296,429.70x = 90,677,940,706,079.30
  5. Step 5: Solve for x
    x = 90,677,940,706,079.30/8,296,429.70
  6. Step 6: Final answer
    x = 10,929,754.60

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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.