Home / 18,875,238.42-28,251,962.42-9,764,790.54

Finding the Fourth Proportional to 18,875,238.42, 28,251,962.42 and 9,764,790.54

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Solution

The fourth proportional to 18,875,238.42, 28,251,962.42 and 9,764,790.54 is: 14,615,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,238.42 : 28,251,962.42 = 9,764,790.54 : x
  2. Step 2: Convert to fraction form
    18,875,238.42/28,251,962.42 = 9,764,790.54/x
  3. Step 3: Cross multiply
    18,875,238.42x = 28,251,962.42 × 9,764,790.54
  4. Step 4: Simplify right side
    18,875,238.42x = 275,874,495,375,251.50
  5. Step 5: Solve for x
    x = 275,874,495,375,251.50/18,875,238.42
  6. Step 6: Final answer
    x = 14,615,682.69

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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.