Home / 8,011,378.84-12,015,765.78-2,619,947.56

Finding the Fourth Proportional to 8,011,378.84, 12,015,765.78 and 2,619,947.56

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Solution

The fourth proportional to 8,011,378.84, 12,015,765.78 and 2,619,947.56 is: 3,929,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011,378.84 : 12,015,765.78 = 2,619,947.56 : x
  2. Step 2: Convert to fraction form
    8,011,378.84/12,015,765.78 = 2,619,947.56/x
  3. Step 3: Cross multiply
    8,011,378.84x = 12,015,765.78 × 2,619,947.56
  4. Step 4: Simplify right side
    8,011,378.84x = 31,480,676,236,842.50
  5. Step 5: Solve for x
    x = 31,480,676,236,842.50/8,011,378.84
  6. Step 6: Final answer
    x = 3,929,495.39

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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.