Home / 15,248,993.94-21,043,977.24-8,279,965.20

Finding the Fourth Proportional to 15,248,993.94, 21,043,977.24 and 8,279,965.20

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Solution

The fourth proportional to 15,248,993.94, 21,043,977.24 and 8,279,965.20 is: 11,426,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,993.94 : 21,043,977.24 = 8,279,965.20 : x
  2. Step 2: Convert to fraction form
    15,248,993.94/21,043,977.24 = 8,279,965.20/x
  3. Step 3: Cross multiply
    15,248,993.94x = 21,043,977.24 × 8,279,965.20
  4. Step 4: Simplify right side
    15,248,993.94x = 174,243,399,216,792.03
  5. Step 5: Solve for x
    x = 174,243,399,216,792.03/15,248,993.94
  6. Step 6: Final answer
    x = 11,426,550.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.