Home / 12,961,558.20-19,442,337.30-3,986,110.20

Finding the Fourth Proportional to 12,961,558.20, 19,442,337.30 and 3,986,110.20

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Solution

The fourth proportional to 12,961,558.20, 19,442,337.30 and 3,986,110.20 is: 5,979,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,558.20 : 19,442,337.30 = 3,986,110.20 : x
  2. Step 2: Convert to fraction form
    12,961,558.20/19,442,337.30 = 3,986,110.20/x
  3. Step 3: Cross multiply
    12,961,558.20x = 19,442,337.30 × 3,986,110.20
  4. Step 4: Simplify right side
    12,961,558.20x = 77,499,299,023,370.47
  5. Step 5: Solve for x
    x = 77,499,299,023,370.47/12,961,558.20
  6. Step 6: Final answer
    x = 5,979,165.30

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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.