Home / 8,539,377.88-12,809,051.24-2,782,104.71

Finding the Fourth Proportional to 8,539,377.88, 12,809,051.24 and 2,782,104.71

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Solution

The fourth proportional to 8,539,377.88, 12,809,051.24 and 2,782,104.71 is: 4,173,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,377.88 : 12,809,051.24 = 2,782,104.71 : x
  2. Step 2: Convert to fraction form
    8,539,377.88/12,809,051.24 = 2,782,104.71/x
  3. Step 3: Cross multiply
    8,539,377.88x = 12,809,051.24 × 2,782,104.71
  4. Step 4: Simplify right side
    8,539,377.88x = 35,636,121,707,479.56
  5. Step 5: Solve for x
    x = 35,636,121,707,479.56/8,539,377.88
  6. Step 6: Final answer
    x = 4,173,151.98

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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.