Home / 10,371,666.95-15,557,500.43-2,798,620.55

Finding the Fourth Proportional to 10,371,666.95, 15,557,500.43 and 2,798,620.55

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Solution

The fourth proportional to 10,371,666.95, 15,557,500.43 and 2,798,620.55 is: 4,197,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,666.95 : 15,557,500.43 = 2,798,620.55 : x
  2. Step 2: Convert to fraction form
    10,371,666.95/15,557,500.43 = 2,798,620.55/x
  3. Step 3: Cross multiply
    10,371,666.95x = 15,557,500.43 × 2,798,620.55
  4. Step 4: Simplify right side
    10,371,666.95x = 43,539,540,396,038.73
  5. Step 5: Solve for x
    x = 43,539,540,396,038.73/10,371,666.95
  6. Step 6: Final answer
    x = 4,197,930.83

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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.