Home / 28,243,540.70-42,372,528.15-9,074,485.70

Finding the Fourth Proportional to 28,243,540.70, 42,372,528.15 and 9,074,485.70

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Solution

The fourth proportional to 28,243,540.70, 42,372,528.15 and 9,074,485.70 is: 13,614,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,540.70 : 42,372,528.15 = 9,074,485.70 : x
  2. Step 2: Convert to fraction form
    28,243,540.70/42,372,528.15 = 9,074,485.70/x
  3. Step 3: Cross multiply
    28,243,540.70x = 42,372,528.15 × 9,074,485.70
  4. Step 4: Simplify right side
    28,243,540.70x = 384,508,900,770,022.44
  5. Step 5: Solve for x
    x = 384,508,900,770,022.44/28,243,540.70
  6. Step 6: Final answer
    x = 13,614,047.36

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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.