Home / 40,089,278.33-55,323,204.09-21,754,563.83

Finding the Fourth Proportional to 40,089,278.33, 55,323,204.09 and 21,754,563.83

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Solution

The fourth proportional to 40,089,278.33, 55,323,204.09 and 21,754,563.83 is: 30,021,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,278.33 : 55,323,204.09 = 21,754,563.83 : x
  2. Step 2: Convert to fraction form
    40,089,278.33/55,323,204.09 = 21,754,563.83/x
  3. Step 3: Cross multiply
    40,089,278.33x = 55,323,204.09 × 21,754,563.83
  4. Step 4: Simplify right side
    40,089,278.33x = 1,203,532,174,379,406
  5. Step 5: Solve for x
    x = 1,203,532,174,379,406/40,089,278.33
  6. Step 6: Final answer
    x = 30,021,298.08

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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.