Home / 13,305,836.40-19,929,263.40-10,304,287.60

Finding the Fourth Proportional to 13,305,836.40, 19,929,263.40 and 10,304,287.60

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Solution

The fourth proportional to 13,305,836.40, 19,929,263.40 and 10,304,287.60 is: 15,433,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,836.40 : 19,929,263.40 = 10,304,287.60 : x
  2. Step 2: Convert to fraction form
    13,305,836.40/19,929,263.40 = 10,304,287.60/x
  3. Step 3: Cross multiply
    13,305,836.40x = 19,929,263.40 × 10,304,287.60
  4. Step 4: Simplify right side
    13,305,836.40x = 205,356,861,729,753.81
  5. Step 5: Solve for x
    x = 205,356,861,729,753.81/13,305,836.40
  6. Step 6: Final answer
    x = 15,433,592.87

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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.