Home / 8,974,957.80-13,462,436.70-7,982,934.60

Finding the Fourth Proportional to 8,974,957.80, 13,462,436.70 and 7,982,934.60

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Solution

The fourth proportional to 8,974,957.80, 13,462,436.70 and 7,982,934.60 is: 11,974,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974,957.80 : 13,462,436.70 = 7,982,934.60 : x
  2. Step 2: Convert to fraction form
    8,974,957.80/13,462,436.70 = 7,982,934.60/x
  3. Step 3: Cross multiply
    8,974,957.80x = 13,462,436.70 × 7,982,934.60
  4. Step 4: Simplify right side
    8,974,957.80x = 107,469,751,732,739.81
  5. Step 5: Solve for x
    x = 107,469,751,732,739.81/8,974,957.80
  6. Step 6: Final answer
    x = 11,974,401.90

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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.