Home / 8,251,126.08-12,379,223.10-3,938,679.24

Finding the Fourth Proportional to 8,251,126.08, 12,379,223.10 and 3,938,679.24

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Solution

The fourth proportional to 8,251,126.08, 12,379,223.10 and 3,938,679.24 is: 5,909,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251,126.08 : 12,379,223.10 = 3,938,679.24 : x
  2. Step 2: Convert to fraction form
    8,251,126.08/12,379,223.10 = 3,938,679.24/x
  3. Step 3: Cross multiply
    8,251,126.08x = 12,379,223.10 × 3,938,679.24
  4. Step 4: Simplify right side
    8,251,126.08x = 48,757,789,031,298.45
  5. Step 5: Solve for x
    x = 48,757,789,031,298.45/8,251,126.08
  6. Step 6: Final answer
    x = 5,909,228.46

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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.