Home / 8,687,645.70-13,018,638.15-6,296,525.70

Finding the Fourth Proportional to 8,687,645.70, 13,018,638.15 and 6,296,525.70

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Solution

The fourth proportional to 8,687,645.70, 13,018,638.15 and 6,296,525.70 is: 9,435,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,645.70 : 13,018,638.15 = 6,296,525.70 : x
  2. Step 2: Convert to fraction form
    8,687,645.70/13,018,638.15 = 6,296,525.70/x
  3. Step 3: Cross multiply
    8,687,645.70x = 13,018,638.15 × 6,296,525.70
  4. Step 4: Simplify right side
    8,687,645.70x = 81,972,189,690,475.45
  5. Step 5: Solve for x
    x = 81,972,189,690,475.45/8,687,645.70
  6. Step 6: Final answer
    x = 9,435,489.49

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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.