Home / 12,390,193.37-18,578,908.44-5,560,912.05

Finding the Fourth Proportional to 12,390,193.37, 18,578,908.44 and 5,560,912.05

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Solution

The fourth proportional to 12,390,193.37, 18,578,908.44 and 5,560,912.05 is: 8,338,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,193.37 : 18,578,908.44 = 5,560,912.05 : x
  2. Step 2: Convert to fraction form
    12,390,193.37/18,578,908.44 = 5,560,912.05/x
  3. Step 3: Cross multiply
    12,390,193.37x = 18,578,908.44 × 5,560,912.05
  4. Step 4: Simplify right side
    12,390,193.37x = 103,315,675,819,842.70
  5. Step 5: Solve for x
    x = 103,315,675,819,842.70/12,390,193.37
  6. Step 6: Final answer
    x = 8,338,503.91

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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.