Home / 18,709,104.80-28,057,825.20-7,353,034.40

Finding the Fourth Proportional to 18,709,104.80, 28,057,825.20 and 7,353,034.40

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Solution

The fourth proportional to 18,709,104.80, 28,057,825.20 and 7,353,034.40 is: 11,027,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,104.80 : 28,057,825.20 = 7,353,034.40 : x
  2. Step 2: Convert to fraction form
    18,709,104.80/28,057,825.20 = 7,353,034.40/x
  3. Step 3: Cross multiply
    18,709,104.80x = 28,057,825.20 × 7,353,034.40
  4. Step 4: Simplify right side
    18,709,104.80x = 206,310,153,884,786.88
  5. Step 5: Solve for x
    x = 206,310,153,884,786.88/18,709,104.80
  6. Step 6: Final answer
    x = 11,027,259.51

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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.