Home / 11,147,114.70-16,720,672.05-6,364,145.70

Finding the Fourth Proportional to 11,147,114.70, 16,720,672.05 and 6,364,145.70

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Solution

The fourth proportional to 11,147,114.70, 16,720,672.05 and 6,364,145.70 is: 9,546,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147,114.70 : 16,720,672.05 = 6,364,145.70 : x
  2. Step 2: Convert to fraction form
    11,147,114.70/16,720,672.05 = 6,364,145.70/x
  3. Step 3: Cross multiply
    11,147,114.70x = 16,720,672.05 × 6,364,145.70
  4. Step 4: Simplify right side
    11,147,114.70x = 106,412,793,128,117.69
  5. Step 5: Solve for x
    x = 106,412,793,128,117.69/11,147,114.70
  6. Step 6: Final answer
    x = 9,546,218.55

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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.