Home / 10,861,036.20-16,291,554.30-3,288,378.60

Finding the Fourth Proportional to 10,861,036.20, 16,291,554.30 and 3,288,378.60

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Solution

The fourth proportional to 10,861,036.20, 16,291,554.30 and 3,288,378.60 is: 4,932,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,036.20 : 16,291,554.30 = 3,288,378.60 : x
  2. Step 2: Convert to fraction form
    10,861,036.20/16,291,554.30 = 3,288,378.60/x
  3. Step 3: Cross multiply
    10,861,036.20x = 16,291,554.30 × 3,288,378.60
  4. Step 4: Simplify right side
    10,861,036.20x = 53,572,798,520,857.98
  5. Step 5: Solve for x
    x = 53,572,798,520,857.98/10,861,036.20
  6. Step 6: Final answer
    x = 4,932,567.90

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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.