Home / 8,290,758.78-12,436,138.08-3,238,526.34

Finding the Fourth Proportional to 8,290,758.78, 12,436,138.08 and 3,238,526.34

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Solution

The fourth proportional to 8,290,758.78, 12,436,138.08 and 3,238,526.34 is: 4,857,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,758.78 : 12,436,138.08 = 3,238,526.34 : x
  2. Step 2: Convert to fraction form
    8,290,758.78/12,436,138.08 = 3,238,526.34/x
  3. Step 3: Cross multiply
    8,290,758.78x = 12,436,138.08 × 3,238,526.34
  4. Step 4: Simplify right side
    8,290,758.78x = 40,274,760,739,957.02
  5. Step 5: Solve for x
    x = 40,274,760,739,957.02/8,290,758.78
  6. Step 6: Final answer
    x = 4,857,789.47

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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.