Home / 18,261,711.80-25,201,954.47-10,112,949.80

Finding the Fourth Proportional to 18,261,711.80, 25,201,954.47 and 10,112,949.80

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Solution

The fourth proportional to 18,261,711.80, 25,201,954.47 and 10,112,949.80 is: 13,956,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,711.80 : 25,201,954.47 = 10,112,949.80 : x
  2. Step 2: Convert to fraction form
    18,261,711.80/25,201,954.47 = 10,112,949.80/x
  3. Step 3: Cross multiply
    18,261,711.80x = 25,201,954.47 × 10,112,949.80
  4. Step 4: Simplify right side
    18,261,711.80x = 254,866,100,290,985.81
  5. Step 5: Solve for x
    x = 254,866,100,290,985.81/18,261,711.80
  6. Step 6: Final answer
    x = 13,956,309.42

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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.