Home / 18,604,039.25-27,909,783.90-10,418,322.36

Finding the Fourth Proportional to 18,604,039.25, 27,909,783.90 and 10,418,322.36

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Solution

The fourth proportional to 18,604,039.25, 27,909,783.90 and 10,418,322.36 is: 15,629,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604,039.25 : 27,909,783.90 = 10,418,322.36 : x
  2. Step 2: Convert to fraction form
    18,604,039.25/27,909,783.90 = 10,418,322.36/x
  3. Step 3: Cross multiply
    18,604,039.25x = 27,909,783.90 × 10,418,322.36
  4. Step 4: Simplify right side
    18,604,039.25x = 290,773,125,616,046.38
  5. Step 5: Solve for x
    x = 290,773,125,616,046.38/18,604,039.25
  6. Step 6: Final answer
    x = 15,629,569.57

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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.