Home / 18,164,926.11-27,247,389.18-12,467,878.59

Finding the Fourth Proportional to 18,164,926.11, 27,247,389.18 and 12,467,878.59

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Solution

The fourth proportional to 18,164,926.11, 27,247,389.18 and 12,467,878.59 is: 18,701,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164,926.11 : 27,247,389.18 = 12,467,878.59 : x
  2. Step 2: Convert to fraction form
    18,164,926.11/27,247,389.18 = 12,467,878.59/x
  3. Step 3: Cross multiply
    18,164,926.11x = 27,247,389.18 × 12,467,878.59
  4. Step 4: Simplify right side
    18,164,926.11x = 339,717,140,246,142.81
  5. Step 5: Solve for x
    x = 339,717,140,246,142.81/18,164,926.11
  6. Step 6: Final answer
    x = 18,701,817.89

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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.