Home / 12,286,869.54-18,430,238.70-3,188,960.52

Finding the Fourth Proportional to 12,286,869.54, 18,430,238.70 and 3,188,960.52

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Solution

The fourth proportional to 12,286,869.54, 18,430,238.70 and 3,188,960.52 is: 4,783,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,869.54 : 18,430,238.70 = 3,188,960.52 : x
  2. Step 2: Convert to fraction form
    12,286,869.54/18,430,238.70 = 3,188,960.52/x
  3. Step 3: Cross multiply
    12,286,869.54x = 18,430,238.70 × 3,188,960.52
  4. Step 4: Simplify right side
    12,286,869.54x = 58,773,303,588,476.12
  5. Step 5: Solve for x
    x = 58,773,303,588,476.12/12,286,869.54
  6. Step 6: Final answer
    x = 4,783,423.75

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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.