Home / 12,471,938.85-18,703,574.94-6,940,914.38

Finding the Fourth Proportional to 12,471,938.85, 18,703,574.94 and 6,940,914.38

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Solution

The fourth proportional to 12,471,938.85, 18,703,574.94 and 6,940,914.38 is: 10,408,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,938.85 : 18,703,574.94 = 6,940,914.38 : x
  2. Step 2: Convert to fraction form
    12,471,938.85/18,703,574.94 = 6,940,914.38/x
  3. Step 3: Cross multiply
    12,471,938.85x = 18,703,574.94 × 6,940,914.38
  4. Step 4: Simplify right side
    12,471,938.85x = 129,819,912,164,935.77
  5. Step 5: Solve for x
    x = 129,819,912,164,935.77/12,471,938.85
  6. Step 6: Final answer
    x = 10,408,959.96

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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.