Home / 42,579,867.39-63,868,884.46-11,873,629.23

Finding the Fourth Proportional to 42,579,867.39, 63,868,884.46 and 11,873,629.23

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Solution

The fourth proportional to 42,579,867.39, 63,868,884.46 and 11,873,629.23 is: 17,810,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579,867.39 : 63,868,884.46 = 11,873,629.23 : x
  2. Step 2: Convert to fraction form
    42,579,867.39/63,868,884.46 = 11,873,629.23/x
  3. Step 3: Cross multiply
    42,579,867.39x = 63,868,884.46 × 11,873,629.23
  4. Step 4: Simplify right side
    42,579,867.39x = 758,355,453,092,404.38
  5. Step 5: Solve for x
    x = 758,355,453,092,404.38/42,579,867.39
  6. Step 6: Final answer
    x = 17,810,188.23

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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.