Home / 13,818,186.36-20,686,338.84-10,240,013.79

Finding the Fourth Proportional to 13,818,186.36, 20,686,338.84 and 10,240,013.79

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Solution

The fourth proportional to 13,818,186.36, 20,686,338.84 and 10,240,013.79 is: 15,329,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,186.36 : 20,686,338.84 = 10,240,013.79 : x
  2. Step 2: Convert to fraction form
    13,818,186.36/20,686,338.84 = 10,240,013.79/x
  3. Step 3: Cross multiply
    13,818,186.36x = 20,686,338.84 × 10,240,013.79
  4. Step 4: Simplify right side
    13,818,186.36x = 211,828,394,986,212.59
  5. Step 5: Solve for x
    x = 211,828,394,986,212.59/13,818,186.36
  6. Step 6: Final answer
    x = 15,329,681.44

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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.