Home / 21,211,358.43-31,811,230.82-5,854,977.08

Finding the Fourth Proportional to 21,211,358.43, 31,811,230.82 and 5,854,977.08

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Solution

The fourth proportional to 21,211,358.43, 31,811,230.82 and 5,854,977.08 is: 8,780,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,211,358.43 : 31,811,230.82 = 5,854,977.08 : x
  2. Step 2: Convert to fraction form
    21,211,358.43/31,811,230.82 = 5,854,977.08/x
  3. Step 3: Cross multiply
    21,211,358.43x = 31,811,230.82 × 5,854,977.08
  4. Step 4: Simplify right side
    21,211,358.43x = 186,254,027,193,270.91
  5. Step 5: Solve for x
    x = 186,254,027,193,270.91/21,211,358.43
  6. Step 6: Final answer
    x = 8,780,862.75

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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.