Home / 7,739,384.80-11,609,077.20-1,982,107.30

Finding the Fourth Proportional to 7,739,384.80, 11,609,077.20 and 1,982,107.30

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Solution

The fourth proportional to 7,739,384.80, 11,609,077.20 and 1,982,107.30 is: 2,973,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,384.80 : 11,609,077.20 = 1,982,107.30 : x
  2. Step 2: Convert to fraction form
    7,739,384.80/11,609,077.20 = 1,982,107.30/x
  3. Step 3: Cross multiply
    7,739,384.80x = 11,609,077.20 × 1,982,107.30
  4. Step 4: Simplify right side
    7,739,384.80x = 23,010,436,664,383.56
  5. Step 5: Solve for x
    x = 23,010,436,664,383.56/7,739,384.80
  6. Step 6: Final answer
    x = 2,973,160.95

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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.