Home / 18,341,142.66-25,297,962.93-15,568,709.49

Finding the Fourth Proportional to 18,341,142.66, 25,297,962.93 and 15,568,709.49

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Solution

The fourth proportional to 18,341,142.66, 25,297,962.93 and 15,568,709.49 is: 21,473,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,142.66 : 25,297,962.93 = 15,568,709.49 : x
  2. Step 2: Convert to fraction form
    18,341,142.66/25,297,962.93 = 15,568,709.49/x
  3. Step 3: Cross multiply
    18,341,142.66x = 25,297,962.93 × 15,568,709.49
  4. Step 4: Simplify right side
    18,341,142.66x = 393,856,635,545,959.19
  5. Step 5: Solve for x
    x = 393,856,635,545,959.19/18,341,142.66
  6. Step 6: Final answer
    x = 21,473,942.10

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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.