Home / 8,283,424.50-12,425,986.93-3,170,155.61

Finding the Fourth Proportional to 8,283,424.50, 12,425,986.93 and 3,170,155.61

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Solution

The fourth proportional to 8,283,424.50, 12,425,986.93 and 3,170,155.61 is: 4,755,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,424.50 : 12,425,986.93 = 3,170,155.61 : x
  2. Step 2: Convert to fraction form
    8,283,424.50/12,425,986.93 = 3,170,155.61/x
  3. Step 3: Cross multiply
    8,283,424.50x = 12,425,986.93 × 3,170,155.61
  4. Step 4: Simplify right side
    8,283,424.50x = 39,392,312,175,926.17
  5. Step 5: Solve for x
    x = 39,392,312,175,926.17/8,283,424.50
  6. Step 6: Final answer
    x = 4,755,558.79

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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.