Home / 18,209,449.08-27,316,012.20-5,912,898.27

Finding the Fourth Proportional to 18,209,449.08, 27,316,012.20 and 5,912,898.27

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Solution

The fourth proportional to 18,209,449.08, 27,316,012.20 and 5,912,898.27 is: 8,869,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,449.08 : 27,316,012.20 = 5,912,898.27 : x
  2. Step 2: Convert to fraction form
    18,209,449.08/27,316,012.20 = 5,912,898.27/x
  3. Step 3: Cross multiply
    18,209,449.08x = 27,316,012.20 × 5,912,898.27
  4. Step 4: Simplify right side
    18,209,449.08x = 161,516,801,280,678.88
  5. Step 5: Solve for x
    x = 161,516,801,280,678.88/18,209,449.08
  6. Step 6: Final answer
    x = 8,869,944.42

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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.