Home / 36,887,907.20-55,331,860.80-18,972,003.20

Finding the Fourth Proportional to 36,887,907.20, 55,331,860.80 and 18,972,003.20

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Solution

The fourth proportional to 36,887,907.20, 55,331,860.80 and 18,972,003.20 is: 28,458,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887,907.20 : 55,331,860.80 = 18,972,003.20 : x
  2. Step 2: Convert to fraction form
    36,887,907.20/55,331,860.80 = 18,972,003.20/x
  3. Step 3: Cross multiply
    36,887,907.20x = 55,331,860.80 × 18,972,003.20
  4. Step 4: Simplify right side
    36,887,907.20x = 1,049,756,240,159,554.50
  5. Step 5: Solve for x
    x = 1,049,756,240,159,554.50/36,887,907.20
  6. Step 6: Final answer
    x = 28,458,004.80

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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.