Home / 7,868,825-11,790,188.66-4,785,489.59

Finding the Fourth Proportional to 7,868,825, 11,790,188.66 and 4,785,489.59

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Solution

The fourth proportional to 7,868,825, 11,790,188.66 and 4,785,489.59 is: 7,170,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,825 : 11,790,188.66 = 4,785,489.59 : x
  2. Step 2: Convert to fraction form
    7,868,825/11,790,188.66 = 4,785,489.59/x
  3. Step 3: Cross multiply
    7,868,825x = 11,790,188.66 × 4,785,489.59
  4. Step 4: Simplify right side
    7,868,825x = 56,421,825,096,566.05
  5. Step 5: Solve for x
    x = 56,421,825,096,566.05/7,868,825
  6. Step 6: Final answer
    x = 7,170,298.63

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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.