Home / 7,870,026.05-11,805,039.08-2,821,846.85

Finding the Fourth Proportional to 7,870,026.05, 11,805,039.08 and 2,821,846.85

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Solution

The fourth proportional to 7,870,026.05, 11,805,039.08 and 2,821,846.85 is: 4,232,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,026.05 : 11,805,039.08 = 2,821,846.85 : x
  2. Step 2: Convert to fraction form
    7,870,026.05/11,805,039.08 = 2,821,846.85/x
  3. Step 3: Cross multiply
    7,870,026.05x = 11,805,039.08 × 2,821,846.85
  4. Step 4: Simplify right side
    7,870,026.05x = 33,312,012,327,915.66
  5. Step 5: Solve for x
    x = 33,312,012,327,915.66/7,870,026.05
  6. Step 6: Final answer
    x = 4,232,770.28

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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.