Home / 12,320,235.54-18,478,941.62-3,223,211.13

Finding the Fourth Proportional to 12,320,235.54, 18,478,941.62 and 3,223,211.13

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Solution

The fourth proportional to 12,320,235.54, 18,478,941.62 and 3,223,211.13 is: 4,834,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,235.54 : 18,478,941.62 = 3,223,211.13 : x
  2. Step 2: Convert to fraction form
    12,320,235.54/18,478,941.62 = 3,223,211.13/x
  3. Step 3: Cross multiply
    12,320,235.54x = 18,478,941.62 × 3,223,211.13
  4. Step 4: Simplify right side
    12,320,235.54x = 59,561,530,284,088.16
  5. Step 5: Solve for x
    x = 59,561,530,284,088.16/12,320,235.54
  6. Step 6: Final answer
    x = 4,834,447.37

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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.