Home / 7,642,022.72-11,463,150.70-1,962,121.28

Finding the Fourth Proportional to 7,642,022.72, 11,463,150.70 and 1,962,121.28

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Solution

The fourth proportional to 7,642,022.72, 11,463,150.70 and 1,962,121.28 is: 2,943,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,022.72 : 11,463,150.70 = 1,962,121.28 : x
  2. Step 2: Convert to fraction form
    7,642,022.72/11,463,150.70 = 1,962,121.28/x
  3. Step 3: Cross multiply
    7,642,022.72x = 11,463,150.70 × 1,962,121.28
  4. Step 4: Simplify right side
    7,642,022.72x = 22,492,091,924,316.89
  5. Step 5: Solve for x
    x = 22,492,091,924,316.89/7,642,022.72
  6. Step 6: Final answer
    x = 2,943,211.86

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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.