Home / 7,855,622.34-11,777,562.74-5,419,825.02

Finding the Fourth Proportional to 7,855,622.34, 11,777,562.74 and 5,419,825.02

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Solution

The fourth proportional to 7,855,622.34, 11,777,562.74 and 5,419,825.02 is: 8,125,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,622.34 : 11,777,562.74 = 5,419,825.02 : x
  2. Step 2: Convert to fraction form
    7,855,622.34/11,777,562.74 = 5,419,825.02/x
  3. Step 3: Cross multiply
    7,855,622.34x = 11,777,562.74 × 5,419,825.02
  4. Step 4: Simplify right side
    7,855,622.34x = 63,832,329,226,421.31
  5. Step 5: Solve for x
    x = 63,832,329,226,421.31/7,855,622.34
  6. Step 6: Final answer
    x = 8,125,687.12

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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.