Home / 14,087,400.80-21,131,101.20-5,110,786.40

Finding the Fourth Proportional to 14,087,400.80, 21,131,101.20 and 5,110,786.40

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Solution

The fourth proportional to 14,087,400.80, 21,131,101.20 and 5,110,786.40 is: 7,666,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087,400.80 : 21,131,101.20 = 5,110,786.40 : x
  2. Step 2: Convert to fraction form
    14,087,400.80/21,131,101.20 = 5,110,786.40/x
  3. Step 3: Cross multiply
    14,087,400.80x = 21,131,101.20 × 5,110,786.40
  4. Step 4: Simplify right side
    14,087,400.80x = 107,996,544,629,983.69
  5. Step 5: Solve for x
    x = 107,996,544,629,983.69/14,087,400.80
  6. Step 6: Final answer
    x = 7,666,179.60

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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.