Home / 42,753,891.60-64,129,939.92-10,405,974.60

Finding the Fourth Proportional to 42,753,891.60, 64,129,939.92 and 10,405,974.60

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Solution

The fourth proportional to 42,753,891.60, 64,129,939.92 and 10,405,974.60 is: 15,608,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,753,891.60 : 64,129,939.92 = 10,405,974.60 : x
  2. Step 2: Convert to fraction form
    42,753,891.60/64,129,939.92 = 10,405,974.60/x
  3. Step 3: Cross multiply
    42,753,891.60x = 64,129,939.92 × 10,405,974.60
  4. Step 4: Simplify right side
    42,753,891.60x = 667,334,525,907,046
  5. Step 5: Solve for x
    x = 667,334,525,907,046/42,753,891.60
  6. Step 6: Final answer
    x = 15,608,743.46

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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.