Home / 28,055,695.78-42,085,930.20-9,858,319.48

Finding the Fourth Proportional to 28,055,695.78, 42,085,930.20 and 9,858,319.48

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Solution

The fourth proportional to 28,055,695.78, 42,085,930.20 and 9,858,319.48 is: 14,788,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055,695.78 : 42,085,930.20 = 9,858,319.48 : x
  2. Step 2: Convert to fraction form
    28,055,695.78/42,085,930.20 = 9,858,319.48/x
  3. Step 3: Cross multiply
    28,055,695.78x = 42,085,930.20 × 9,858,319.48
  4. Step 4: Simplify right side
    28,055,695.78x = 414,896,545,524,580.38
  5. Step 5: Solve for x
    x = 414,896,545,524,580.38/28,055,695.78
  6. Step 6: Final answer
    x = 14,788,317.81

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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.