Home / 7,856,363.89-11,787,424.49-3,308,557.53

Finding the Fourth Proportional to 7,856,363.89, 11,787,424.49 and 3,308,557.53

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Solution

The fourth proportional to 7,856,363.89, 11,787,424.49 and 3,308,557.53 is: 4,964,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,363.89 : 11,787,424.49 = 3,308,557.53 : x
  2. Step 2: Convert to fraction form
    7,856,363.89/11,787,424.49 = 3,308,557.53/x
  3. Step 3: Cross multiply
    7,856,363.89x = 11,787,424.49 × 3,308,557.53
  4. Step 4: Simplify right side
    7,856,363.89x = 38,999,372,055,695.91
  5. Step 5: Solve for x
    x = 38,999,372,055,695.91/7,856,363.89
  6. Step 6: Final answer
    x = 4,964,048.59

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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.