Home / 13,634,864.20-18,816,503.34-7,523,686.36

Finding the Fourth Proportional to 13,634,864.20, 18,816,503.34 and 7,523,686.36

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Solution

The fourth proportional to 13,634,864.20, 18,816,503.34 and 7,523,686.36 is: 10,382,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,864.20 : 18,816,503.34 = 7,523,686.36 : x
  2. Step 2: Convert to fraction form
    13,634,864.20/18,816,503.34 = 7,523,686.36/x
  3. Step 3: Cross multiply
    13,634,864.20x = 18,816,503.34 × 7,523,686.36
  4. Step 4: Simplify right side
    13,634,864.20x = 141,569,469,522,052.44
  5. Step 5: Solve for x
    x = 141,569,469,522,052.44/13,634,864.20
  6. Step 6: Final answer
    x = 10,382,902.79

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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.