Home / 18,042,809.80-27,071,990.70-10,476,243.40

Finding the Fourth Proportional to 18,042,809.80, 27,071,990.70 and 10,476,243.40

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Solution

The fourth proportional to 18,042,809.80, 27,071,990.70 and 10,476,243.40 is: 15,718,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,809.80 : 27,071,990.70 = 10,476,243.40 : x
  2. Step 2: Convert to fraction form
    18,042,809.80/27,071,990.70 = 10,476,243.40/x
  3. Step 3: Cross multiply
    18,042,809.80x = 27,071,990.70 × 10,476,243.40
  4. Step 4: Simplify right side
    18,042,809.80x = 283,612,763,895,736.38
  5. Step 5: Solve for x
    x = 283,612,763,895,736.38/18,042,809.80
  6. Step 6: Final answer
    x = 15,718,880.10

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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.