Home / 18,404,428.80-27,606,643.20-4,942,617.60

Finding the Fourth Proportional to 18,404,428.80, 27,606,643.20 and 4,942,617.60

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Solution

The fourth proportional to 18,404,428.80, 27,606,643.20 and 4,942,617.60 is: 7,413,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404,428.80 : 27,606,643.20 = 4,942,617.60 : x
  2. Step 2: Convert to fraction form
    18,404,428.80/27,606,643.20 = 4,942,617.60/x
  3. Step 3: Cross multiply
    18,404,428.80x = 27,606,643.20 × 4,942,617.60
  4. Step 4: Simplify right side
    18,404,428.80x = 136,449,080,557,240.31
  5. Step 5: Solve for x
    x = 136,449,080,557,240.31/18,404,428.80
  6. Step 6: Final answer
    x = 7,413,926.40

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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.