Home / 40,686,458.77-61,030,163.83-11,933,171.52

Finding the Fourth Proportional to 40,686,458.77, 61,030,163.83 and 11,933,171.52

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Solution

The fourth proportional to 40,686,458.77, 61,030,163.83 and 11,933,171.52 is: 17,899,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686,458.77 : 61,030,163.83 = 11,933,171.52 : x
  2. Step 2: Convert to fraction form
    40,686,458.77/61,030,163.83 = 11,933,171.52/x
  3. Step 3: Cross multiply
    40,686,458.77x = 61,030,163.83 × 11,933,171.52
  4. Step 4: Simplify right side
    40,686,458.77x = 728,283,412,877,090.12
  5. Step 5: Solve for x
    x = 728,283,412,877,090.12/40,686,458.77
  6. Step 6: Final answer
    x = 17,899,896.79

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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.