Home / 18,261,731.25-25,201,981.31-10,112,969.25

Finding the Fourth Proportional to 18,261,731.25, 25,201,981.31 and 10,112,969.25

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Solution

The fourth proportional to 18,261,731.25, 25,201,981.31 and 10,112,969.25 is: 13,956,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,731.25 : 25,201,981.31 = 10,112,969.25 : x
  2. Step 2: Convert to fraction form
    18,261,731.25/25,201,981.31 = 10,112,969.25/x
  3. Step 3: Cross multiply
    18,261,731.25x = 25,201,981.31 × 10,112,969.25
  4. Step 4: Simplify right side
    18,261,731.25x = 254,866,861,976,539.88
  5. Step 5: Solve for x
    x = 254,866,861,976,539.88/18,261,731.25
  6. Step 6: Final answer
    x = 13,956,336.26

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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.