Home / 9,318,764.63-13,973,469.42-5,429,480.69

Finding the Fourth Proportional to 9,318,764.63, 13,973,469.42 and 5,429,480.69

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Solution

The fourth proportional to 9,318,764.63, 13,973,469.42 and 5,429,480.69 is: 8,141,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,764.63 : 13,973,469.42 = 5,429,480.69 : x
  2. Step 2: Convert to fraction form
    9,318,764.63/13,973,469.42 = 5,429,480.69/x
  3. Step 3: Cross multiply
    9,318,764.63x = 13,973,469.42 × 5,429,480.69
  4. Step 4: Simplify right side
    9,318,764.63x = 75,868,682,318,328.14
  5. Step 5: Solve for x
    x = 75,868,682,318,328.14/9,318,764.63
  6. Step 6: Final answer
    x = 8,141,495.72

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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.