Home / 15,548,400.70-23,322,601.05-7,990,128.70

Finding the Fourth Proportional to 15,548,400.70, 23,322,601.05 and 7,990,128.70

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Solution

The fourth proportional to 15,548,400.70, 23,322,601.05 and 7,990,128.70 is: 11,985,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548,400.70 : 23,322,601.05 = 7,990,128.70 : x
  2. Step 2: Convert to fraction form
    15,548,400.70/23,322,601.05 = 7,990,128.70/x
  3. Step 3: Cross multiply
    15,548,400.70x = 23,322,601.05 × 7,990,128.70
  4. Step 4: Simplify right side
    15,548,400.70x = 186,350,584,008,255.16
  5. Step 5: Solve for x
    x = 186,350,584,008,255.16/15,548,400.70
  6. Step 6: Final answer
    x = 11,985,193.05

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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.