Home / 9,318,930.39-13,973,718.84-5,429,644.44

Finding the Fourth Proportional to 9,318,930.39, 13,973,718.84 and 5,429,644.44

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Solution

The fourth proportional to 9,318,930.39, 13,973,718.84 and 5,429,644.44 is: 8,141,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,930.39 : 13,973,718.84 = 5,429,644.44 : x
  2. Step 2: Convert to fraction form
    9,318,930.39/13,973,718.84 = 5,429,644.44/x
  3. Step 3: Cross multiply
    9,318,930.39x = 13,973,718.84 × 5,429,644.44
  4. Step 4: Simplify right side
    9,318,930.39x = 75,872,324,805,729.25
  5. Step 5: Solve for x
    x = 75,872,324,805,729.25/9,318,930.39
  6. Step 6: Final answer
    x = 8,141,741.77

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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.