Home / 38,471,096.28-53,089,734.78-20,829,912.96

Finding the Fourth Proportional to 38,471,096.28, 53,089,734.78 and 20,829,912.96

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Solution

The fourth proportional to 38,471,096.28, 53,089,734.78 and 20,829,912.96 is: 28,745,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471,096.28 : 53,089,734.78 = 20,829,912.96 : x
  2. Step 2: Convert to fraction form
    38,471,096.28/53,089,734.78 = 20,829,912.96/x
  3. Step 3: Cross multiply
    38,471,096.28x = 53,089,734.78 × 20,829,912.96
  4. Step 4: Simplify right side
    38,471,096.28x = 1,105,854,554,536,884.88
  5. Step 5: Solve for x
    x = 1,105,854,554,536,884.88/38,471,096.28
  6. Step 6: Final answer
    x = 28,745,075.17

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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.