Home / 10,364,048.30-15,546,072.45-7,972,563.80

Finding the Fourth Proportional to 10,364,048.30, 15,546,072.45 and 7,972,563.80

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Solution

The fourth proportional to 10,364,048.30, 15,546,072.45 and 7,972,563.80 is: 11,958,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,048.30 : 15,546,072.45 = 7,972,563.80 : x
  2. Step 2: Convert to fraction form
    10,364,048.30/15,546,072.45 = 7,972,563.80/x
  3. Step 3: Cross multiply
    10,364,048.30x = 15,546,072.45 × 7,972,563.80
  4. Step 4: Simplify right side
    10,364,048.30x = 123,942,054,447,047.30
  5. Step 5: Solve for x
    x = 123,942,054,447,047.30/10,364,048.30
  6. Step 6: Final answer
    x = 11,958,845.70

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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.