Home / 13,503,961.58-18,635,465.53-7,309,007.16

Finding the Fourth Proportional to 13,503,961.58, 18,635,465.53 and 7,309,007.16

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Solution

The fourth proportional to 13,503,961.58, 18,635,465.53 and 7,309,007.16 is: 10,086,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,961.58 : 18,635,465.53 = 7,309,007.16 : x
  2. Step 2: Convert to fraction form
    13,503,961.58/18,635,465.53 = 7,309,007.16/x
  3. Step 3: Cross multiply
    13,503,961.58x = 18,635,465.53 × 7,309,007.16
  4. Step 4: Simplify right side
    13,503,961.58x = 136,206,750,886,843.31
  5. Step 5: Solve for x
    x = 136,206,750,886,843.31/13,503,961.58
  6. Step 6: Final answer
    x = 10,086,429.09

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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.