Home / 14,387,623.80-21,581,435.70-12,540,046.20

Finding the Fourth Proportional to 14,387,623.80, 21,581,435.70 and 12,540,046.20

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Solution

The fourth proportional to 14,387,623.80, 21,581,435.70 and 12,540,046.20 is: 18,810,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,623.80 : 21,581,435.70 = 12,540,046.20 : x
  2. Step 2: Convert to fraction form
    14,387,623.80/21,581,435.70 = 12,540,046.20/x
  3. Step 3: Cross multiply
    14,387,623.80x = 21,581,435.70 × 12,540,046.20
  4. Step 4: Simplify right side
    14,387,623.80x = 270,632,200,740,329.31
  5. Step 5: Solve for x
    x = 270,632,200,740,329.31/14,387,623.80
  6. Step 6: Final answer
    x = 18,810,069.30

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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.