Home / 20,252,172.84-27,948,083.62-10,959,743.28

Finding the Fourth Proportional to 20,252,172.84, 27,948,083.62 and 10,959,743.28

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Solution

The fourth proportional to 20,252,172.84, 27,948,083.62 and 10,959,743.28 is: 15,124,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,172.84 : 27,948,083.62 = 10,959,743.28 : x
  2. Step 2: Convert to fraction form
    20,252,172.84/27,948,083.62 = 10,959,743.28/x
  3. Step 3: Cross multiply
    20,252,172.84x = 27,948,083.62 × 10,959,743.28
  4. Step 4: Simplify right side
    20,252,172.84x = 306,303,821,643,173.06
  5. Step 5: Solve for x
    x = 306,303,821,643,173.06/20,252,172.84
  6. Step 6: Final answer
    x = 15,124,491.78

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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.