Home / 31,206,189.60-46,809,430.20-11,011,431.60

Finding the Fourth Proportional to 31,206,189.60, 46,809,430.20 and 11,011,431.60

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Solution

The fourth proportional to 31,206,189.60, 46,809,430.20 and 11,011,431.60 is: 16,517,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206,189.60 : 46,809,430.20 = 11,011,431.60 : x
  2. Step 2: Convert to fraction form
    31,206,189.60/46,809,430.20 = 11,011,431.60/x
  3. Step 3: Cross multiply
    31,206,189.60x = 46,809,430.20 × 11,011,431.60
  4. Step 4: Simplify right side
    31,206,189.60x = 515,438,838,882,274.31
  5. Step 5: Solve for x
    x = 515,438,838,882,274.31/31,206,189.60
  6. Step 6: Final answer
    x = 16,517,198.85

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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.