Home / 18,693,602.70-28,040,404.05-10,190,546.70

Finding the Fourth Proportional to 18,693,602.70, 28,040,404.05 and 10,190,546.70

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Solution

The fourth proportional to 18,693,602.70, 28,040,404.05 and 10,190,546.70 is: 15,285,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,602.70 : 28,040,404.05 = 10,190,546.70 : x
  2. Step 2: Convert to fraction form
    18,693,602.70/28,040,404.05 = 10,190,546.70/x
  3. Step 3: Cross multiply
    18,693,602.70x = 28,040,404.05 × 10,190,546.70
  4. Step 4: Simplify right side
    18,693,602.70x = 285,747,046,958,394.12
  5. Step 5: Solve for x
    x = 285,747,046,958,394.12/18,693,602.70
  6. Step 6: Final answer
    x = 15,285,820.05

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1.5x scale

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.