Home / 15,449,763.88-21,321,055.07-8,481,133

Finding the Fourth Proportional to 15,449,763.88, 21,321,055.07 and 8,481,133

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Solution

The fourth proportional to 15,449,763.88, 21,321,055.07 and 8,481,133 is: 11,704,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449,763.88 : 21,321,055.07 = 8,481,133 : x
  2. Step 2: Convert to fraction form
    15,449,763.88/21,321,055.07 = 8,481,133/x
  3. Step 3: Cross multiply
    15,449,763.88x = 21,321,055.07 × 8,481,133
  4. Step 4: Simplify right side
    15,449,763.88x = 180,826,703,748,994.31
  5. Step 5: Solve for x
    x = 180,826,703,748,994.31/15,449,763.88
  6. Step 6: Final answer
    x = 11,704,172.64

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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.