Home / 30,460,375.29-45,686,076.38-9,992,257.78

Finding the Fourth Proportional to 30,460,375.29, 45,686,076.38 and 9,992,257.78

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Solution

The fourth proportional to 30,460,375.29, 45,686,076.38 and 9,992,257.78 is: 14,986,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460,375.29 : 45,686,076.38 = 9,992,257.78 : x
  2. Step 2: Convert to fraction form
    30,460,375.29/45,686,076.38 = 9,992,257.78/x
  3. Step 3: Cross multiply
    30,460,375.29x = 45,686,076.38 × 9,992,257.78
  4. Step 4: Simplify right side
    30,460,375.29x = 456,507,052,160,891.56
  5. Step 5: Solve for x
    x = 456,507,052,160,891.56/30,460,375.29
  6. Step 6: Final answer
    x = 14,986,914.90

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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.