Home / 10,867,028.28-16,301,100.77-2,780,074.09

Finding the Fourth Proportional to 10,867,028.28, 16,301,100.77 and 2,780,074.09

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Solution

The fourth proportional to 10,867,028.28, 16,301,100.77 and 2,780,074.09 is: 4,170,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,028.28 : 16,301,100.77 = 2,780,074.09 : x
  2. Step 2: Convert to fraction form
    10,867,028.28/16,301,100.77 = 2,780,074.09/x
  3. Step 3: Cross multiply
    10,867,028.28x = 16,301,100.77 × 2,780,074.09
  4. Step 4: Simplify right side
    10,867,028.28x = 45,318,267,889,156.05
  5. Step 5: Solve for x
    x = 45,318,267,889,156.05/10,867,028.28
  6. Step 6: Final answer
    x = 4,170,253.98

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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.