Home / 7,072,911.78-10,614,267.51-2,812,642.98

Finding the Fourth Proportional to 7,072,911.78, 10,614,267.51 and 2,812,642.98

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Solution

The fourth proportional to 7,072,911.78, 10,614,267.51 and 2,812,642.98 is: 4,220,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,911.78 : 10,614,267.51 = 2,812,642.98 : x
  2. Step 2: Convert to fraction form
    7,072,911.78/10,614,267.51 = 2,812,642.98/x
  3. Step 3: Cross multiply
    7,072,911.78x = 10,614,267.51 × 2,812,642.98
  4. Step 4: Simplify right side
    7,072,911.78x = 29,854,144,999,843.58
  5. Step 5: Solve for x
    x = 29,854,144,999,843.58/7,072,911.78
  6. Step 6: Final answer
    x = 4,220,912.96

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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.