Home / 31,324,346.60-46,972,523.10-12,148,730.60

Finding the Fourth Proportional to 31,324,346.60, 46,972,523.10 and 12,148,730.60

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Solution

The fourth proportional to 31,324,346.60, 46,972,523.10 and 12,148,730.60 is: 18,217,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324,346.60 : 46,972,523.10 = 12,148,730.60 : x
  2. Step 2: Convert to fraction form
    31,324,346.60/46,972,523.10 = 12,148,730.60/x
  3. Step 3: Cross multiply
    31,324,346.60x = 46,972,523.10 × 12,148,730.60
  4. Step 4: Simplify right side
    31,324,346.60x = 570,656,528,744,176.88
  5. Step 5: Solve for x
    x = 570,656,528,744,176.88/31,324,346.60
  6. Step 6: Final answer
    x = 18,217,667.43

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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.