Home / 18,561,645.20-27,842,467.80-18,309,702.80

Finding the Fourth Proportional to 18,561,645.20, 27,842,467.80 and 18,309,702.80

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Solution

The fourth proportional to 18,561,645.20, 27,842,467.80 and 18,309,702.80 is: 27,464,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,645.20 : 27,842,467.80 = 18,309,702.80 : x
  2. Step 2: Convert to fraction form
    18,561,645.20/27,842,467.80 = 18,309,702.80/x
  3. Step 3: Cross multiply
    18,561,645.20x = 27,842,467.80 × 18,309,702.80
  4. Step 4: Simplify right side
    18,561,645.20x = 509,787,310,636,569.88
  5. Step 5: Solve for x
    x = 509,787,310,636,569.88/18,561,645.20
  6. Step 6: Final answer
    x = 27,464,554.20

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Double scale
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1.5x scale

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.