Home / 40,694,722.20-61,112,942.10-21,562,846.20

Finding the Fourth Proportional to 40,694,722.20, 61,112,942.10 and 21,562,846.20

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Solution

The fourth proportional to 40,694,722.20, 61,112,942.10 and 21,562,846.20 is: 32,381,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694,722.20 : 61,112,942.10 = 21,562,846.20 : x
  2. Step 2: Convert to fraction form
    40,694,722.20/61,112,942.10 = 21,562,846.20/x
  3. Step 3: Cross multiply
    40,694,722.20x = 61,112,942.10 × 21,562,846.20
  4. Step 4: Simplify right side
    40,694,722.20x = 1,317,768,971,331,805
  5. Step 5: Solve for x
    x = 1,317,768,971,331,805/40,694,722.20
  6. Step 6: Final answer
    x = 32,381,815.14

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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.