Home / 18,341,907.36-25,268,084.64-12,824,959.56

Finding the Fourth Proportional to 18,341,907.36, 25,268,084.64 and 12,824,959.56

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Solution

The fourth proportional to 18,341,907.36, 25,268,084.64 and 12,824,959.56 is: 17,667,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,907.36 : 25,268,084.64 = 12,824,959.56 : x
  2. Step 2: Convert to fraction form
    18,341,907.36/25,268,084.64 = 12,824,959.56/x
  3. Step 3: Cross multiply
    18,341,907.36x = 25,268,084.64 × 12,824,959.56
  4. Step 4: Simplify right side
    18,341,907.36x = 324,062,163,666,657.19
  5. Step 5: Solve for x
    x = 324,062,163,666,657.19/18,341,907.36
  6. Step 6: Final answer
    x = 17,667,855.22

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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.