Home / 40,539,858.04-55,944,312.69-21,954,847.56

Finding the Fourth Proportional to 40,539,858.04, 55,944,312.69 and 21,954,847.56

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Solution

The fourth proportional to 40,539,858.04, 55,944,312.69 and 21,954,847.56 is: 30,297,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,858.04 : 55,944,312.69 = 21,954,847.56 : x
  2. Step 2: Convert to fraction form
    40,539,858.04/55,944,312.69 = 21,954,847.56/x
  3. Step 3: Cross multiply
    40,539,858.04x = 55,944,312.69 × 21,954,847.56
  4. Step 4: Simplify right side
    40,539,858.04x = 1,228,248,856,957,923.50
  5. Step 5: Solve for x
    x = 1,228,248,856,957,923.50/40,539,858.04
  6. Step 6: Final answer
    x = 30,297,315.19

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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.