Home / 28,673,485.80-43,034,723.10-11,646,378.60

Finding the Fourth Proportional to 28,673,485.80, 43,034,723.10 and 11,646,378.60

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Solution

The fourth proportional to 28,673,485.80, 43,034,723.10 and 11,646,378.60 is: 17,479,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,485.80 : 43,034,723.10 = 11,646,378.60 : x
  2. Step 2: Convert to fraction form
    28,673,485.80/43,034,723.10 = 11,646,378.60/x
  3. Step 3: Cross multiply
    28,673,485.80x = 43,034,723.10 × 11,646,378.60
  4. Step 4: Simplify right side
    28,673,485.80x = 501,198,678,168,765.69
  5. Step 5: Solve for x
    x = 501,198,678,168,765.69/28,673,485.80
  6. Step 6: Final answer
    x = 17,479,516.85

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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.