Home / 18,143,911.09-27,221,181.86-5,364,748.45

Finding the Fourth Proportional to 18,143,911.09, 27,221,181.86 and 5,364,748.45

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Solution

The fourth proportional to 18,143,911.09, 27,221,181.86 and 5,364,748.45 is: 8,048,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,911.09 : 27,221,181.86 = 5,364,748.45 : x
  2. Step 2: Convert to fraction form
    18,143,911.09/27,221,181.86 = 5,364,748.45/x
  3. Step 3: Cross multiply
    18,143,911.09x = 27,221,181.86 × 5,364,748.45
  4. Step 4: Simplify right side
    18,143,911.09x = 146,034,793,190,603.12
  5. Step 5: Solve for x
    x = 146,034,793,190,603.12/18,143,911.09
  6. Step 6: Final answer
    x = 8,048,694.27

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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.