Home / 13,105,836.48-18,086,143.20-7,304,991.36

Finding the Fourth Proportional to 13,105,836.48, 18,086,143.20 and 7,304,991.36

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Solution

The fourth proportional to 13,105,836.48, 18,086,143.20 and 7,304,991.36 is: 10,080,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,836.48 : 18,086,143.20 = 7,304,991.36 : x
  2. Step 2: Convert to fraction form
    13,105,836.48/18,086,143.20 = 7,304,991.36/x
  3. Step 3: Cross multiply
    13,105,836.48x = 18,086,143.20 × 7,304,991.36
  4. Step 4: Simplify right side
    13,105,836.48x = 132,119,119,811,722.75
  5. Step 5: Solve for x
    x = 132,119,119,811,722.75/13,105,836.48
  6. Step 6: Final answer
    x = 10,080,937.60

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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.