Home / 19,919,144.99-27,489,827.81-11,099,181.76

Finding the Fourth Proportional to 19,919,144.99, 27,489,827.81 and 11,099,181.76

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Solution

The fourth proportional to 19,919,144.99, 27,489,827.81 and 11,099,181.76 is: 15,317,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,144.99 : 27,489,827.81 = 11,099,181.76 : x
  2. Step 2: Convert to fraction form
    19,919,144.99/27,489,827.81 = 11,099,181.76/x
  3. Step 3: Cross multiply
    19,919,144.99x = 27,489,827.81 × 11,099,181.76
  4. Step 4: Simplify right side
    19,919,144.99x = 305,114,595,373,316.12
  5. Step 5: Solve for x
    x = 305,114,595,373,316.12/19,919,144.99
  6. Step 6: Final answer
    x = 15,317,655.23

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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.