Home / 12,286,757.28-16,959,097.52-7,131,779.60

Finding the Fourth Proportional to 12,286,757.28, 16,959,097.52 and 7,131,779.60

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Solution

The fourth proportional to 12,286,757.28, 16,959,097.52 and 7,131,779.60 is: 9,843,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,757.28 : 16,959,097.52 = 7,131,779.60 : x
  2. Step 2: Convert to fraction form
    12,286,757.28/16,959,097.52 = 7,131,779.60/x
  3. Step 3: Cross multiply
    12,286,757.28x = 16,959,097.52 × 7,131,779.60
  4. Step 4: Simplify right side
    12,286,757.28x = 120,948,545,727,546.58
  5. Step 5: Solve for x
    x = 120,948,545,727,546.58/12,286,757.28
  6. Step 6: Final answer
    x = 9,843,813.38

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1.5x scale

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.