Home / 28,135,348.65-42,202,235.69-8,967,255.93

Finding the Fourth Proportional to 28,135,348.65, 42,202,235.69 and 8,967,255.93

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Solution

The fourth proportional to 28,135,348.65, 42,202,235.69 and 8,967,255.93 is: 13,450,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,348.65 : 42,202,235.69 = 8,967,255.93 : x
  2. Step 2: Convert to fraction form
    28,135,348.65/42,202,235.69 = 8,967,255.93/x
  3. Step 3: Cross multiply
    28,135,348.65x = 42,202,235.69 × 8,967,255.93
  4. Step 4: Simplify right side
    28,135,348.65x = 378,438,248,227,992
  5. Step 5: Solve for x
    x = 378,438,248,227,992/28,135,348.65
  6. Step 6: Final answer
    x = 13,450,632.97

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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.