Home / 12,787,530.33-19,168,370.83-5,505,739.89

Finding the Fourth Proportional to 12,787,530.33, 19,168,370.83 and 5,505,739.89

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Solution

The fourth proportional to 12,787,530.33, 19,168,370.83 and 5,505,739.89 is: 8,253,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,530.33 : 19,168,370.83 = 5,505,739.89 : x
  2. Step 2: Convert to fraction form
    12,787,530.33/19,168,370.83 = 5,505,739.89/x
  3. Step 3: Cross multiply
    12,787,530.33x = 19,168,370.83 × 5,505,739.89
  4. Step 4: Simplify right side
    12,787,530.33x = 105,536,063,905,043.39
  5. Step 5: Solve for x
    x = 105,536,063,905,043.39/12,787,530.33
  6. Step 6: Final answer
    x = 8,253,045.05

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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.