Home / 28,134,348.72-42,201,057.96-8,964,845.52

Finding the Fourth Proportional to 28,134,348.72, 42,201,057.96 and 8,964,845.52

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Solution

The fourth proportional to 28,134,348.72, 42,201,057.96 and 8,964,845.52 is: 13,447,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,348.72 : 42,201,057.96 = 8,964,845.52 : x
  2. Step 2: Convert to fraction form
    28,134,348.72/42,201,057.96 = 8,964,845.52/x
  3. Step 3: Cross multiply
    28,134,348.72x = 42,201,057.96 × 8,964,845.52
  4. Step 4: Simplify right side
    28,134,348.72x = 378,325,965,391,966.31
  5. Step 5: Solve for x
    x = 378,325,965,391,966.31/28,134,348.72
  6. Step 6: Final answer
    x = 13,447,120.07

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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.