Home / 29,251,137.70-43,876,706.55-20,748,081.70

Finding the Fourth Proportional to 29,251,137.70, 43,876,706.55 and 20,748,081.70

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Solution

The fourth proportional to 29,251,137.70, 43,876,706.55 and 20,748,081.70 is: 31,122,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251,137.70 : 43,876,706.55 = 20,748,081.70 : x
  2. Step 2: Convert to fraction form
    29,251,137.70/43,876,706.55 = 20,748,081.70/x
  3. Step 3: Cross multiply
    29,251,137.70x = 43,876,706.55 × 20,748,081.70
  4. Step 4: Simplify right side
    29,251,137.70x = 910,357,492,226,325
  5. Step 5: Solve for x
    x = 910,357,492,226,325/29,251,137.70
  6. Step 6: Final answer
    x = 31,122,122.55

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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.