Home / 11,428,546.40-17,130,723.60-4,235,458.40

Finding the Fourth Proportional to 11,428,546.40, 17,130,723.60 and 4,235,458.40

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Solution

The fourth proportional to 11,428,546.40, 17,130,723.60 and 4,235,458.40 is: 6,348,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,546.40 : 17,130,723.60 = 4,235,458.40 : x
  2. Step 2: Convert to fraction form
    11,428,546.40/17,130,723.60 = 4,235,458.40/x
  3. Step 3: Cross multiply
    11,428,546.40x = 17,130,723.60 × 4,235,458.40
  4. Step 4: Simplify right side
    11,428,546.40x = 72,556,467,169,698.25
  5. Step 5: Solve for x
    x = 72,556,467,169,698.25/11,428,546.40
  6. Step 6: Final answer
    x = 6,348,704.78

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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.