Home / 10,787,219.20-16,180,828.80-2,809,043.20

Finding the Fourth Proportional to 10,787,219.20, 16,180,828.80 and 2,809,043.20

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Solution

The fourth proportional to 10,787,219.20, 16,180,828.80 and 2,809,043.20 is: 4,213,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,219.20 : 16,180,828.80 = 2,809,043.20 : x
  2. Step 2: Convert to fraction form
    10,787,219.20/16,180,828.80 = 2,809,043.20/x
  3. Step 3: Cross multiply
    10,787,219.20x = 16,180,828.80 × 2,809,043.20
  4. Step 4: Simplify right side
    10,787,219.20x = 45,452,647,111,004.16
  5. Step 5: Solve for x
    x = 45,452,647,111,004.16/10,787,219.20
  6. Step 6: Final answer
    x = 4,213,564.80

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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.