Home / 12,601,788.80-18,901,769.36-4,923,989.92

Finding the Fourth Proportional to 12,601,788.80, 18,901,769.36 and 4,923,989.92

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Solution

The fourth proportional to 12,601,788.80, 18,901,769.36 and 4,923,989.92 is: 7,385,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,788.80 : 18,901,769.36 = 4,923,989.92 : x
  2. Step 2: Convert to fraction form
    12,601,788.80/18,901,769.36 = 4,923,989.92/x
  3. Step 3: Cross multiply
    12,601,788.80x = 18,901,769.36 × 4,923,989.92
  4. Step 4: Simplify right side
    12,601,788.80x = 93,072,121,798,804.84
  5. Step 5: Solve for x
    x = 93,072,121,798,804.84/12,601,788.80
  6. Step 6: Final answer
    x = 7,385,627.81

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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.