Home / 27,608,971.92-38,100,071.04-15,049,751.28

Finding the Fourth Proportional to 27,608,971.92, 38,100,071.04 and 15,049,751.28

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Solution

The fourth proportional to 27,608,971.92, 38,100,071.04 and 15,049,751.28 is: 20,768,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608,971.92 : 38,100,071.04 = 15,049,751.28 : x
  2. Step 2: Convert to fraction form
    27,608,971.92/38,100,071.04 = 15,049,751.28/x
  3. Step 3: Cross multiply
    27,608,971.92x = 38,100,071.04 × 15,049,751.28
  4. Step 4: Simplify right side
    27,608,971.92x = 573,396,592,902,330.88
  5. Step 5: Solve for x
    x = 573,396,592,902,330.88/27,608,971.92
  6. Step 6: Final answer
    x = 20,768,487.67

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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.