Home / 7,120,749.12-10,678,609.44-3,077,073.60

Finding the Fourth Proportional to 7,120,749.12, 10,678,609.44 and 3,077,073.60

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Solution

The fourth proportional to 7,120,749.12, 10,678,609.44 and 3,077,073.60 is: 4,614,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,749.12 : 10,678,609.44 = 3,077,073.60 : x
  2. Step 2: Convert to fraction form
    7,120,749.12/10,678,609.44 = 3,077,073.60/x
  3. Step 3: Cross multiply
    7,120,749.12x = 10,678,609.44 × 3,077,073.60
  4. Step 4: Simplify right side
    7,120,749.12x = 32,858,867,192,534.79
  5. Step 5: Solve for x
    x = 32,858,867,192,534.79/7,120,749.12
  6. Step 6: Final answer
    x = 4,614,523.93

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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.