Home / 18,170,114.14-27,255,171.20-7,384,888.09

Finding the Fourth Proportional to 18,170,114.14, 27,255,171.20 and 7,384,888.09

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Solution

The fourth proportional to 18,170,114.14, 27,255,171.20 and 7,384,888.09 is: 11,077,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,114.14 : 27,255,171.20 = 7,384,888.09 : x
  2. Step 2: Convert to fraction form
    18,170,114.14/27,255,171.20 = 7,384,888.09/x
  3. Step 3: Cross multiply
    18,170,114.14x = 27,255,171.20 × 7,384,888.09
  4. Step 4: Simplify right side
    18,170,114.14x = 201,276,389,185,791
  5. Step 5: Solve for x
    x = 201,276,389,185,791/18,170,114.14
  6. Step 6: Final answer
    x = 11,077,332.13

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Double scale
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Similar ratio
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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.