Home / 18,431,411.76-27,646,084.26-5,651,881.38

Finding the Fourth Proportional to 18,431,411.76, 27,646,084.26 and 5,651,881.38

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Solution

The fourth proportional to 18,431,411.76, 27,646,084.26 and 5,651,881.38 is: 8,477,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,411.76 : 27,646,084.26 = 5,651,881.38 : x
  2. Step 2: Convert to fraction form
    18,431,411.76/27,646,084.26 = 5,651,881.38/x
  3. Step 3: Cross multiply
    18,431,411.76x = 27,646,084.26 × 5,651,881.38
  4. Step 4: Simplify right side
    18,431,411.76x = 156,252,388,859,005.09
  5. Step 5: Solve for x
    x = 156,252,388,859,005.09/18,431,411.76
  6. Step 6: Final answer
    x = 8,477,505.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.