Home / 20,134,013.60-30,144,737.96-10,878,826.43

Finding the Fourth Proportional to 20,134,013.60, 30,144,737.96 and 10,878,826.43

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Solution

The fourth proportional to 20,134,013.60, 30,144,737.96 and 10,878,826.43 is: 16,287,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,013.60 : 30,144,737.96 = 10,878,826.43 : x
  2. Step 2: Convert to fraction form
    20,134,013.60/30,144,737.96 = 10,878,826.43/x
  3. Step 3: Cross multiply
    20,134,013.60x = 30,144,737.96 × 10,878,826.43
  4. Step 4: Simplify right side
    20,134,013.60x = 327,939,372,106,435.56
  5. Step 5: Solve for x
    x = 327,939,372,106,435.56/20,134,013.60
  6. Step 6: Final answer
    x = 16,287,829.07

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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.