Home / 40,539,861.54-55,944,317.52-21,954,851.06

Finding the Fourth Proportional to 40,539,861.54, 55,944,317.52 and 21,954,851.06

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Solution

The fourth proportional to 40,539,861.54, 55,944,317.52 and 21,954,851.06 is: 30,297,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,861.54 : 55,944,317.52 = 21,954,851.06 : x
  2. Step 2: Convert to fraction form
    40,539,861.54/55,944,317.52 = 21,954,851.06/x
  3. Step 3: Cross multiply
    40,539,861.54x = 55,944,317.52 × 21,954,851.06
  4. Step 4: Simplify right side
    40,539,861.54x = 1,228,249,158,525,227
  5. Step 5: Solve for x
    x = 1,228,249,158,525,227/40,539,861.54
  6. Step 6: Final answer
    x = 30,297,320.02

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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.