Home / 12,474,288.69-18,712,102.73-3,955,289.37

Finding the Fourth Proportional to 12,474,288.69, 18,712,102.73 and 3,955,289.37

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Solution

The fourth proportional to 12,474,288.69, 18,712,102.73 and 3,955,289.37 is: 5,933,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,288.69 : 18,712,102.73 = 3,955,289.37 : x
  2. Step 2: Convert to fraction form
    12,474,288.69/18,712,102.73 = 3,955,289.37/x
  3. Step 3: Cross multiply
    12,474,288.69x = 18,712,102.73 × 3,955,289.37
  4. Step 4: Simplify right side
    12,474,288.69x = 74,011,780,998,540.55
  5. Step 5: Solve for x
    x = 74,011,780,998,540.55/12,474,288.69
  6. Step 6: Final answer
    x = 5,933,146.40

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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.