Home / 15,342,370.44-21,172,449.78-8,466,851.40

Finding the Fourth Proportional to 15,342,370.44, 21,172,449.78 and 8,466,851.40

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Solution

The fourth proportional to 15,342,370.44, 21,172,449.78 and 8,466,851.40 is: 11,684,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,370.44 : 21,172,449.78 = 8,466,851.40 : x
  2. Step 2: Convert to fraction form
    15,342,370.44/21,172,449.78 = 8,466,851.40/x
  3. Step 3: Cross multiply
    15,342,370.44x = 21,172,449.78 × 8,466,851.40
  4. Step 4: Simplify right side
    15,342,370.44x = 179,263,986,061,222.72
  5. Step 5: Solve for x
    x = 179,263,986,061,222.72/15,342,370.44
  6. Step 6: Final answer
    x = 11,684,243.11

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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.