Home / 36,978,557.83-55,422,407.28-20,770,438.39

Finding the Fourth Proportional to 36,978,557.83, 55,422,407.28 and 20,770,438.39

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Solution

The fourth proportional to 36,978,557.83, 55,422,407.28 and 20,770,438.39 is: 31,130,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,557.83 : 55,422,407.28 = 20,770,438.39 : x
  2. Step 2: Convert to fraction form
    36,978,557.83/55,422,407.28 = 20,770,438.39/x
  3. Step 3: Cross multiply
    36,978,557.83x = 55,422,407.28 × 20,770,438.39
  4. Step 4: Simplify right side
    36,978,557.83x = 1,151,147,695,834,727.50
  5. Step 5: Solve for x
    x = 1,151,147,695,834,727.50/36,978,557.83
  6. Step 6: Final answer
    x = 31,130,140.37

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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.