Home / 7,983,615.90-11,983,945.83-3,436,915.80

Finding the Fourth Proportional to 7,983,615.90, 11,983,945.83 and 3,436,915.80

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Solution

The fourth proportional to 7,983,615.90, 11,983,945.83 and 3,436,915.80 is: 5,159,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983,615.90 : 11,983,945.83 = 3,436,915.80 : x
  2. Step 2: Convert to fraction form
    7,983,615.90/11,983,945.83 = 3,436,915.80/x
  3. Step 3: Cross multiply
    7,983,615.90x = 11,983,945.83 × 3,436,915.80
  4. Step 4: Simplify right side
    7,983,615.90x = 41,187,812,769,471.11
  5. Step 5: Solve for x
    x = 41,187,812,769,471.11/7,983,615.90
  6. Step 6: Final answer
    x = 5,159,042.38

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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.