Home / 12,427,376.24-18,643,887.48-3,792,248.48

Finding the Fourth Proportional to 12,427,376.24, 18,643,887.48 and 3,792,248.48

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Solution

The fourth proportional to 12,427,376.24, 18,643,887.48 and 3,792,248.48 is: 5,689,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,376.24 : 18,643,887.48 = 3,792,248.48 : x
  2. Step 2: Convert to fraction form
    12,427,376.24/18,643,887.48 = 3,792,248.48/x
  3. Step 3: Cross multiply
    12,427,376.24x = 18,643,887.48 × 3,792,248.48
  4. Step 4: Simplify right side
    12,427,376.24x = 70,702,253,957,321.03
  5. Step 5: Solve for x
    x = 70,702,253,957,321.03/12,427,376.24
  6. Step 6: Final answer
    x = 5,689,234.20

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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.