Home / 10,892,491.20-16,338,736.80-3,319,444.80

Finding the Fourth Proportional to 10,892,491.20, 16,338,736.80 and 3,319,444.80

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Solution

The fourth proportional to 10,892,491.20, 16,338,736.80 and 3,319,444.80 is: 4,979,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,491.20 : 16,338,736.80 = 3,319,444.80 : x
  2. Step 2: Convert to fraction form
    10,892,491.20/16,338,736.80 = 3,319,444.80/x
  3. Step 3: Cross multiply
    10,892,491.20x = 16,338,736.80 × 3,319,444.80
  4. Step 4: Simplify right side
    10,892,491.20x = 54,235,534,909,328.64
  5. Step 5: Solve for x
    x = 54,235,534,909,328.64/10,892,491.20
  6. Step 6: Final answer
    x = 4,979,167.20

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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.