Home / 27,721,317.25-38,253,870.86-15,159,893.07

Finding the Fourth Proportional to 27,721,317.25, 38,253,870.86 and 15,159,893.07

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Solution

The fourth proportional to 27,721,317.25, 38,253,870.86 and 15,159,893.07 is: 20,919,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721,317.25 : 38,253,870.86 = 15,159,893.07 : x
  2. Step 2: Convert to fraction form
    27,721,317.25/38,253,870.86 = 15,159,893.07/x
  3. Step 3: Cross multiply
    27,721,317.25x = 38,253,870.86 × 15,159,893.07
  4. Step 4: Simplify right side
    27,721,317.25x = 579,924,591,904,100.75
  5. Step 5: Solve for x
    x = 579,924,591,904,100.75/27,721,317.25
  6. Step 6: Final answer
    x = 20,919,806.47

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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.