Home / 40,839,730.98-61,222,518.45-20,375,709.54

Finding the Fourth Proportional to 40,839,730.98, 61,222,518.45 and 20,375,709.54

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Solution

The fourth proportional to 40,839,730.98, 61,222,518.45 and 20,375,709.54 is: 30,545,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839,730.98 : 61,222,518.45 = 20,375,709.54 : x
  2. Step 2: Convert to fraction form
    40,839,730.98/61,222,518.45 = 20,375,709.54/x
  3. Step 3: Cross multiply
    40,839,730.98x = 61,222,518.45 × 20,375,709.54
  4. Step 4: Simplify right side
    40,839,730.98x = 1,247,452,253,244,491
  5. Step 5: Solve for x
    x = 1,247,452,253,244,491/40,839,730.98
  6. Step 6: Final answer
    x = 30,545,065.39

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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.