Home / 40,505,283-55,897,815.42-22,170,174.84

Finding the Fourth Proportional to 40,505,283, 55,897,815.42 and 22,170,174.84

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Solution

The fourth proportional to 40,505,283, 55,897,815.42 and 22,170,174.84 is: 30,595,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505,283 : 55,897,815.42 = 22,170,174.84 : x
  2. Step 2: Convert to fraction form
    40,505,283/55,897,815.42 = 22,170,174.84/x
  3. Step 3: Cross multiply
    40,505,283x = 55,897,815.42 × 22,170,174.84
  4. Step 4: Simplify right side
    40,505,283x = 1,239,264,341,035,448
  5. Step 5: Solve for x
    x = 1,239,264,341,035,448/40,505,283
  6. Step 6: Final answer
    x = 30,595,128.57

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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.