Home / 18,192,051.40-27,288,077.10-7,403,799.10

Finding the Fourth Proportional to 18,192,051.40, 27,288,077.10 and 7,403,799.10

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Solution

The fourth proportional to 18,192,051.40, 27,288,077.10 and 7,403,799.10 is: 11,105,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,051.40 : 27,288,077.10 = 7,403,799.10 : x
  2. Step 2: Convert to fraction form
    18,192,051.40/27,288,077.10 = 7,403,799.10/x
  3. Step 3: Cross multiply
    18,192,051.40x = 27,288,077.10 × 7,403,799.10
  4. Step 4: Simplify right side
    18,192,051.40x = 202,035,440,673,710.62
  5. Step 5: Solve for x
    x = 202,035,440,673,710.62/18,192,051.40
  6. Step 6: Final answer
    x = 11,105,698.65

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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.