Home / 12,471,222.60-18,713,054.70-7,084,009.80

Finding the Fourth Proportional to 12,471,222.60, 18,713,054.70 and 7,084,009.80

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Solution

The fourth proportional to 12,471,222.60, 18,713,054.70 and 7,084,009.80 is: 10,629,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,222.60 : 18,713,054.70 = 7,084,009.80 : x
  2. Step 2: Convert to fraction form
    12,471,222.60/18,713,054.70 = 7,084,009.80/x
  3. Step 3: Cross multiply
    12,471,222.60x = 18,713,054.70 × 7,084,009.80
  4. Step 4: Simplify right side
    12,471,222.60x = 132,563,462,882,736.05
  5. Step 5: Solve for x
    x = 132,563,462,882,736.05/12,471,222.60
  6. Step 6: Final answer
    x = 10,629,548.29

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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.