Home / 15,990,081.47-22,066,312.45-8,647,914.58

Finding the Fourth Proportional to 15,990,081.47, 22,066,312.45 and 8,647,914.58

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Solution

The fourth proportional to 15,990,081.47, 22,066,312.45 and 8,647,914.58 is: 11,934,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,081.47 : 22,066,312.45 = 8,647,914.58 : x
  2. Step 2: Convert to fraction form
    15,990,081.47/22,066,312.45 = 8,647,914.58/x
  3. Step 3: Cross multiply
    15,990,081.47x = 22,066,312.45 × 8,647,914.58
  4. Step 4: Simplify right side
    15,990,081.47x = 190,827,585,086,404.97
  5. Step 5: Solve for x
    x = 190,827,585,086,404.97/15,990,081.47
  6. Step 6: Final answer
    x = 11,934,122.13

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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.