Home / 21,002,250-31,508,689.41-5,856,181.50

Finding the Fourth Proportional to 21,002,250, 31,508,689.41 and 5,856,181.50

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Solution

The fourth proportional to 21,002,250, 31,508,689.41 and 5,856,181.50 is: 8,785,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,250 : 31,508,689.41 = 5,856,181.50 : x
  2. Step 2: Convert to fraction form
    21,002,250/31,508,689.41 = 5,856,181.50/x
  3. Step 3: Cross multiply
    21,002,250x = 31,508,689.41 × 5,856,181.50
  4. Step 4: Simplify right side
    21,002,250x = 184,520,604,012,087.91
  5. Step 5: Solve for x
    x = 184,520,604,012,087.91/21,002,250
  6. Step 6: Final answer
    x = 8,785,754.10

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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.