Home / 20,134,011.23-30,144,734.39-10,878,824.06

Finding the Fourth Proportional to 20,134,011.23, 30,144,734.39 and 10,878,824.06

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Solution

The fourth proportional to 20,134,011.23, 30,144,734.39 and 10,878,824.06 is: 16,287,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,011.23 : 30,144,734.39 = 10,878,824.06 : x
  2. Step 2: Convert to fraction form
    20,134,011.23/30,144,734.39 = 10,878,824.06/x
  3. Step 3: Cross multiply
    20,134,011.23x = 30,144,734.39 × 10,878,824.06
  4. Step 4: Simplify right side
    20,134,011.23x = 327,939,261,764,241.44
  5. Step 5: Solve for x
    x = 327,939,261,764,241.44/20,134,011.23
  6. Step 6: Final answer
    x = 16,287,825.51

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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.