Home / 25,288,518.20-37,932,777.30-18,911,226.20

Finding the Fourth Proportional to 25,288,518.20, 37,932,777.30 and 18,911,226.20

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Solution

The fourth proportional to 25,288,518.20, 37,932,777.30 and 18,911,226.20 is: 28,366,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288,518.20 : 37,932,777.30 = 18,911,226.20 : x
  2. Step 2: Convert to fraction form
    25,288,518.20/37,932,777.30 = 18,911,226.20/x
  3. Step 3: Cross multiply
    25,288,518.20x = 37,932,777.30 × 18,911,226.20
  4. Step 4: Simplify right side
    25,288,518.20x = 717,355,331,914,525.12
  5. Step 5: Solve for x
    x = 717,355,331,914,525.12/25,288,518.20
  6. Step 6: Final answer
    x = 28,366,839.30

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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.