Home / 27,990,861.40-38,626,003.62-15,601,975.24

Finding the Fourth Proportional to 27,990,861.40, 38,626,003.62 and 15,601,975.24

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Solution

The fourth proportional to 27,990,861.40, 38,626,003.62 and 15,601,975.24 is: 21,529,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990,861.40 : 38,626,003.62 = 15,601,975.24 : x
  2. Step 2: Convert to fraction form
    27,990,861.40/38,626,003.62 = 15,601,975.24/x
  3. Step 3: Cross multiply
    27,990,861.40x = 38,626,003.62 × 15,601,975.24
  4. Step 4: Simplify right side
    27,990,861.40x = 602,641,952,099,390.38
  5. Step 5: Solve for x
    x = 602,641,952,099,390.38/27,990,861.40
  6. Step 6: Final answer
    x = 21,529,953.78

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Double scale
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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.