Home / 18,411,488.36-25,418,739.78-16,368,643.28

Finding the Fourth Proportional to 18,411,488.36, 25,418,739.78 and 16,368,643.28

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Solution

The fourth proportional to 18,411,488.36, 25,418,739.78 and 16,368,643.28 is: 22,598,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,488.36 : 25,418,739.78 = 16,368,643.28 : x
  2. Step 2: Convert to fraction form
    18,411,488.36/25,418,739.78 = 16,368,643.28/x
  3. Step 3: Cross multiply
    18,411,488.36x = 25,418,739.78 × 16,368,643.28
  4. Step 4: Simplify right side
    18,411,488.36x = 416,070,284,085,965.69
  5. Step 5: Solve for x
    x = 416,070,284,085,965.69/18,411,488.36
  6. Step 6: Final answer
    x = 22,598,405.73

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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.