Home / 13,308,873.20-19,963,309.80-5,336,418.80

Finding the Fourth Proportional to 13,308,873.20, 19,963,309.80 and 5,336,418.80

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Solution

The fourth proportional to 13,308,873.20, 19,963,309.80 and 5,336,418.80 is: 8,004,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,873.20 : 19,963,309.80 = 5,336,418.80 : x
  2. Step 2: Convert to fraction form
    13,308,873.20/19,963,309.80 = 5,336,418.80/x
  3. Step 3: Cross multiply
    13,308,873.20x = 19,963,309.80 × 5,336,418.80
  4. Step 4: Simplify right side
    13,308,873.20x = 106,532,581,726,944.23
  5. Step 5: Solve for x
    x = 106,532,581,726,944.23/13,308,873.20
  6. Step 6: Final answer
    x = 8,004,628.20

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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.