Home / 28,394,599.83-42,599,081.75-7,924,315.83

Finding the Fourth Proportional to 28,394,599.83, 42,599,081.75 and 7,924,315.83

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Solution

The fourth proportional to 28,394,599.83, 42,599,081.75 and 7,924,315.83 is: 11,888,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,599.83 : 42,599,081.75 = 7,924,315.83 : x
  2. Step 2: Convert to fraction form
    28,394,599.83/42,599,081.75 = 7,924,315.83/x
  3. Step 3: Cross multiply
    28,394,599.83x = 42,599,081.75 × 7,924,315.83
  4. Step 4: Simplify right side
    28,394,599.83x = 337,568,577,815,367.50
  5. Step 5: Solve for x
    x = 337,568,577,815,367.50/28,394,599.83
  6. Step 6: Final answer
    x = 11,888,478.09

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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.