Home / 6,628,434.90-9,921,657.15-5,200,761.30

Finding the Fourth Proportional to 6,628,434.90, 9,921,657.15 and 5,200,761.30

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Solution

The fourth proportional to 6,628,434.90, 9,921,657.15 and 5,200,761.30 is: 7,784,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,434.90 : 9,921,657.15 = 5,200,761.30 : x
  2. Step 2: Convert to fraction form
    6,628,434.90/9,921,657.15 = 5,200,761.30/x
  3. Step 3: Cross multiply
    6,628,434.90x = 9,921,657.15 × 5,200,761.30
  4. Step 4: Simplify right side
    6,628,434.90x = 51,600,170,537,588.30
  5. Step 5: Solve for x
    x = 51,600,170,537,588.30/6,628,434.90
  6. Step 6: Final answer
    x = 7,784,668.83

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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.