Home / 39,647,447.60-54,611,535.42-28,025,029.76

Finding the Fourth Proportional to 39,647,447.60, 54,611,535.42 and 28,025,029.76

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Solution

The fourth proportional to 39,647,447.60, 54,611,535.42 and 28,025,029.76 is: 38,602,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647,447.60 : 54,611,535.42 = 28,025,029.76 : x
  2. Step 2: Convert to fraction form
    39,647,447.60/54,611,535.42 = 28,025,029.76/x
  3. Step 3: Cross multiply
    39,647,447.60x = 54,611,535.42 × 28,025,029.76
  4. Step 4: Simplify right side
    39,647,447.60x = 1,530,489,905,111,736.50
  5. Step 5: Solve for x
    x = 1,530,489,905,111,736.50/39,647,447.60
  6. Step 6: Final answer
    x = 38,602,482.58

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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.