Home / 20,545,351.58-28,306,933.26-13,563,594.66

Finding the Fourth Proportional to 20,545,351.58, 28,306,933.26 and 13,563,594.66

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Solution

The fourth proportional to 20,545,351.58, 28,306,933.26 and 13,563,594.66 is: 18,687,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545,351.58 : 28,306,933.26 = 13,563,594.66 : x
  2. Step 2: Convert to fraction form
    20,545,351.58/28,306,933.26 = 13,563,594.66/x
  3. Step 3: Cross multiply
    20,545,351.58x = 28,306,933.26 × 13,563,594.66
  4. Step 4: Simplify right side
    20,545,351.58x = 383,943,768,806,312.44
  5. Step 5: Solve for x
    x = 383,943,768,806,312.44/20,545,351.58
  6. Step 6: Final answer
    x = 18,687,622.22

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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.