Home / 31,991,308.56-44,149,257.51-18,758,646.36

Finding the Fourth Proportional to 31,991,308.56, 44,149,257.51 and 18,758,646.36

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Solution

The fourth proportional to 31,991,308.56, 44,149,257.51 and 18,758,646.36 is: 25,887,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991,308.56 : 44,149,257.51 = 18,758,646.36 : x
  2. Step 2: Convert to fraction form
    31,991,308.56/44,149,257.51 = 18,758,646.36/x
  3. Step 3: Cross multiply
    31,991,308.56x = 44,149,257.51 × 18,758,646.36
  4. Step 4: Simplify right side
    31,991,308.56x = 828,180,308,721,836.62
  5. Step 5: Solve for x
    x = 828,180,308,721,836.62/31,991,308.56
  6. Step 6: Final answer
    x = 25,887,665.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.