Home / 20,209,851.44-27,889,567.57-11,508,024.05

Finding the Fourth Proportional to 20,209,851.44, 27,889,567.57 and 11,508,024.05

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Solution

The fourth proportional to 20,209,851.44, 27,889,567.57 and 11,508,024.05 is: 15,881,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209,851.44 : 27,889,567.57 = 11,508,024.05 : x
  2. Step 2: Convert to fraction form
    20,209,851.44/27,889,567.57 = 11,508,024.05/x
  3. Step 3: Cross multiply
    20,209,851.44x = 27,889,567.57 × 11,508,024.05
  4. Step 4: Simplify right side
    20,209,851.44x = 320,953,814,273,129.75
  5. Step 5: Solve for x
    x = 320,953,814,273,129.75/20,209,851.44
  6. Step 6: Final answer
    x = 15,881,057.57

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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.