Home / 18,705,802.80-28,058,704.20-15,965,929.20

Finding the Fourth Proportional to 18,705,802.80, 28,058,704.20 and 15,965,929.20

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Solution

The fourth proportional to 18,705,802.80, 28,058,704.20 and 15,965,929.20 is: 23,948,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,802.80 : 28,058,704.20 = 15,965,929.20 : x
  2. Step 2: Convert to fraction form
    18,705,802.80/28,058,704.20 = 15,965,929.20/x
  3. Step 3: Cross multiply
    18,705,802.80x = 28,058,704.20 × 15,965,929.20
  4. Step 4: Simplify right side
    18,705,802.80x = 447,983,284,700,942.62
  5. Step 5: Solve for x
    x = 447,983,284,700,942.62/18,705,802.80
  6. Step 6: Final answer
    x = 23,948,893.80

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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.