Home / 7,178,666.85-10,761,188.99-2,863,370.79

Finding the Fourth Proportional to 7,178,666.85, 10,761,188.99 and 2,863,370.79

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Solution

The fourth proportional to 7,178,666.85, 10,761,188.99 and 2,863,370.79 is: 4,292,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,666.85 : 10,761,188.99 = 2,863,370.79 : x
  2. Step 2: Convert to fraction form
    7,178,666.85/10,761,188.99 = 2,863,370.79/x
  3. Step 3: Cross multiply
    7,178,666.85x = 10,761,188.99 × 2,863,370.79
  4. Step 4: Simplify right side
    7,178,666.85x = 30,813,274,205,318.75
  5. Step 5: Solve for x
    x = 30,813,274,205,318.75/7,178,666.85
  6. Step 6: Final answer
    x = 4,292,339.35

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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.