Home / 31,806,268.87-43,880,029.27-18,392,455.50

Finding the Fourth Proportional to 31,806,268.87, 43,880,029.27 and 18,392,455.50

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Solution

The fourth proportional to 31,806,268.87, 43,880,029.27 and 18,392,455.50 is: 25,374,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806,268.87 : 43,880,029.27 = 18,392,455.50 : x
  2. Step 2: Convert to fraction form
    31,806,268.87/43,880,029.27 = 18,392,455.50/x
  3. Step 3: Cross multiply
    31,806,268.87x = 43,880,029.27 × 18,392,455.50
  4. Step 4: Simplify right side
    31,806,268.87x = 807,061,485,641,191.38
  5. Step 5: Solve for x
    x = 807,061,485,641,191.38/31,806,268.87
  6. Step 6: Final answer
    x = 25,374,289.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.