Home / 8,539,376.88-12,809,049.74-2,782,103.71

Finding the Fourth Proportional to 8,539,376.88, 12,809,049.74 and 2,782,103.71

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Solution

The fourth proportional to 8,539,376.88, 12,809,049.74 and 2,782,103.71 is: 4,173,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,376.88 : 12,809,049.74 = 2,782,103.71 : x
  2. Step 2: Convert to fraction form
    8,539,376.88/12,809,049.74 = 2,782,103.71/x
  3. Step 3: Cross multiply
    8,539,376.88x = 12,809,049.74 × 2,782,103.71
  4. Step 4: Simplify right side
    8,539,376.88x = 35,636,104,725,272.77
  5. Step 5: Solve for x
    x = 35,636,104,725,272.77/8,539,376.88
  6. Step 6: Final answer
    x = 4,173,150.48

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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.