Home / 12,474,289.19-18,712,103.48-3,955,289.87

Finding the Fourth Proportional to 12,474,289.19, 18,712,103.48 and 3,955,289.87

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Solution

The fourth proportional to 12,474,289.19, 18,712,103.48 and 3,955,289.87 is: 5,933,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,289.19 : 18,712,103.48 = 3,955,289.87 : x
  2. Step 2: Convert to fraction form
    12,474,289.19/18,712,103.48 = 3,955,289.87/x
  3. Step 3: Cross multiply
    12,474,289.19x = 18,712,103.48 × 3,955,289.87
  4. Step 4: Simplify right side
    12,474,289.19x = 74,011,793,340,835.75
  5. Step 5: Solve for x
    x = 74,011,793,340,835.75/12,474,289.19
  6. Step 6: Final answer
    x = 5,933,147.15

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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.