Home / 8,138,852.84-12,210,677.46-3,278,658.33

Finding the Fourth Proportional to 8,138,852.84, 12,210,677.46 and 3,278,658.33

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Solution

The fourth proportional to 8,138,852.84, 12,210,677.46 and 3,278,658.33 is: 4,918,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,852.84 : 12,210,677.46 = 3,278,658.33 : x
  2. Step 2: Convert to fraction form
    8,138,852.84/12,210,677.46 = 3,278,658.33/x
  3. Step 3: Cross multiply
    8,138,852.84x = 12,210,677.46 × 3,278,658.33
  4. Step 4: Simplify right side
    8,138,852.84x = 40,034,639,364,594.88
  5. Step 5: Solve for x
    x = 40,034,639,364,594.88/8,138,852.84
  6. Step 6: Final answer
    x = 4,918,953.59

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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.