Home / 51,990,772.85-71,749,508.01-28,785,899.12

Finding the Fourth Proportional to 51,990,772.85, 71,749,508.01 and 28,785,899.12

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Solution

The fourth proportional to 51,990,772.85, 71,749,508.01 and 28,785,899.12 is: 39,725,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,772.85 : 71,749,508.01 = 28,785,899.12 : x
  2. Step 2: Convert to fraction form
    51,990,772.85/71,749,508.01 = 28,785,899.12/x
  3. Step 3: Cross multiply
    51,990,772.85x = 71,749,508.01 × 28,785,899.12
  4. Step 4: Simplify right side
    51,990,772.85x = 2,065,374,099,126,744.50
  5. Step 5: Solve for x
    x = 2,065,374,099,126,744.50/51,990,772.85
  6. Step 6: Final answer
    x = 39,725,781.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.