Home / 15,548,381.70-23,322,572.55-7,990,109.70

Finding the Fourth Proportional to 15,548,381.70, 23,322,572.55 and 7,990,109.70

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Solution

The fourth proportional to 15,548,381.70, 23,322,572.55 and 7,990,109.70 is: 11,985,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548,381.70 : 23,322,572.55 = 7,990,109.70 : x
  2. Step 2: Convert to fraction form
    15,548,381.70/23,322,572.55 = 7,990,109.70/x
  3. Step 3: Cross multiply
    15,548,381.70x = 23,322,572.55 × 7,990,109.70
  4. Step 4: Simplify right side
    15,548,381.70x = 186,349,913,160,708.75
  5. Step 5: Solve for x
    x = 186,349,913,160,708.75/15,548,381.70
  6. Step 6: Final answer
    x = 11,985,164.55

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Similar ratio
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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.