Home / 15,419,160.61-21,278,466.66-8,448,730.52

Finding the Fourth Proportional to 15,419,160.61, 21,278,466.66 and 8,448,730.52

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Solution

The fourth proportional to 15,419,160.61, 21,278,466.66 and 8,448,730.52 is: 11,659,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,160.61 : 21,278,466.66 = 8,448,730.52 : x
  2. Step 2: Convert to fraction form
    15,419,160.61/21,278,466.66 = 8,448,730.52/x
  3. Step 3: Cross multiply
    15,419,160.61x = 21,278,466.66 × 8,448,730.52
  4. Step 4: Simplify right side
    15,419,160.61x = 179,776,030,689,144.47
  5. Step 5: Solve for x
    x = 179,776,030,689,144.47/15,419,160.61
  6. Step 6: Final answer
    x = 11,659,261.83

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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.