Home / 8,688,040.70-13,019,230.65-6,296,920.70

Finding the Fourth Proportional to 8,688,040.70, 13,019,230.65 and 6,296,920.70

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Solution

The fourth proportional to 8,688,040.70, 13,019,230.65 and 6,296,920.70 is: 9,436,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,040.70 : 13,019,230.65 = 6,296,920.70 : x
  2. Step 2: Convert to fraction form
    8,688,040.70/13,019,230.65 = 6,296,920.70/x
  3. Step 3: Cross multiply
    8,688,040.70x = 13,019,230.65 × 6,296,920.70
  4. Step 4: Simplify right side
    8,688,040.70x = 81,981,062,978,059.45
  5. Step 5: Solve for x
    x = 81,981,062,978,059.45/8,688,040.70
  6. Step 6: Final answer
    x = 9,436,081.83

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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.