Home / 13,286,874.60-18,335,886.84-7,175,302.56

Finding the Fourth Proportional to 13,286,874.60, 18,335,886.84 and 7,175,302.56

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Solution

The fourth proportional to 13,286,874.60, 18,335,886.84 and 7,175,302.56 is: 9,901,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,874.60 : 18,335,886.84 = 7,175,302.56 : x
  2. Step 2: Convert to fraction form
    13,286,874.60/18,335,886.84 = 7,175,302.56/x
  3. Step 3: Cross multiply
    13,286,874.60x = 18,335,886.84 × 7,175,302.56
  4. Step 4: Simplify right side
    13,286,874.60x = 131,565,535,782,922.30
  5. Step 5: Solve for x
    x = 131,565,535,782,922.30/13,286,874.60
  6. Step 6: Final answer
    x = 9,901,917.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.