Home / 31,676,419.61-43,713,459.44-17,189,731.61

Finding the Fourth Proportional to 31,676,419.61, 43,713,459.44 and 17,189,731.61

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Solution

The fourth proportional to 31,676,419.61, 43,713,459.44 and 17,189,731.61 is: 23,721,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676,419.61 : 43,713,459.44 = 17,189,731.61 : x
  2. Step 2: Convert to fraction form
    31,676,419.61/43,713,459.44 = 17,189,731.61/x
  3. Step 3: Cross multiply
    31,676,419.61x = 43,713,459.44 × 17,189,731.61
  4. Step 4: Simplify right side
    31,676,419.61x = 751,422,635,432,272.25
  5. Step 5: Solve for x
    x = 751,422,635,432,272.25/31,676,419.61
  6. Step 6: Final answer
    x = 23,721,829.82

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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.