Home / 13,210,713.20-19,816,069.80-9,179,634.80

Finding the Fourth Proportional to 13,210,713.20, 19,816,069.80 and 9,179,634.80

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Solution

The fourth proportional to 13,210,713.20, 19,816,069.80 and 9,179,634.80 is: 13,769,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,713.20 : 19,816,069.80 = 9,179,634.80 : x
  2. Step 2: Convert to fraction form
    13,210,713.20/19,816,069.80 = 9,179,634.80/x
  3. Step 3: Cross multiply
    13,210,713.20x = 19,816,069.80 × 9,179,634.80
  4. Step 4: Simplify right side
    13,210,713.20x = 181,904,283,935,309.06
  5. Step 5: Solve for x
    x = 181,904,283,935,309.06/13,210,713.20
  6. Step 6: Final answer
    x = 13,769,452.20

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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.