Home / 27,380,072.76-37,786,598.94-15,619,599.95

Finding the Fourth Proportional to 27,380,072.76, 37,786,598.94 and 15,619,599.95

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Solution

The fourth proportional to 27,380,072.76, 37,786,598.94 and 15,619,599.95 is: 21,556,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380,072.76 : 37,786,598.94 = 15,619,599.95 : x
  2. Step 2: Convert to fraction form
    27,380,072.76/37,786,598.94 = 15,619,599.95/x
  3. Step 3: Cross multiply
    27,380,072.76x = 37,786,598.94 × 15,619,599.95
  4. Step 4: Simplify right side
    27,380,072.76x = 590,211,558,724,961
  5. Step 5: Solve for x
    x = 590,211,558,724,961/27,380,072.76
  6. Step 6: Final answer
    x = 21,556,245.08

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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.