Home / 18,190,875.16-25,103,487.90-10,042,180.12

Finding the Fourth Proportional to 18,190,875.16, 25,103,487.90 and 10,042,180.12

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Solution

The fourth proportional to 18,190,875.16, 25,103,487.90 and 10,042,180.12 is: 13,858,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,875.16 : 25,103,487.90 = 10,042,180.12 : x
  2. Step 2: Convert to fraction form
    18,190,875.16/25,103,487.90 = 10,042,180.12/x
  3. Step 3: Cross multiply
    18,190,875.16x = 25,103,487.90 × 10,042,180.12
  4. Step 4: Simplify right side
    18,190,875.16x = 252,093,747,132,040.50
  5. Step 5: Solve for x
    x = 252,093,747,132,040.50/18,190,875.16
  6. Step 6: Final answer
    x = 13,858,252.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.