Home / 39,148,441.80-58,722,662.70-28,342,912.20

Finding the Fourth Proportional to 39,148,441.80, 58,722,662.70 and 28,342,912.20

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Solution

The fourth proportional to 39,148,441.80, 58,722,662.70 and 28,342,912.20 is: 42,514,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148,441.80 : 58,722,662.70 = 28,342,912.20 : x
  2. Step 2: Convert to fraction form
    39,148,441.80/58,722,662.70 = 28,342,912.20/x
  3. Step 3: Cross multiply
    39,148,441.80x = 58,722,662.70 × 28,342,912.20
  4. Step 4: Simplify right side
    39,148,441.80x = 1,664,371,273,056,315
  5. Step 5: Solve for x
    x = 1,664,371,273,056,315/39,148,441.80
  6. Step 6: Final answer
    x = 42,514,368.30

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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.