Home / 20,208,602.62-27,887,883.15-10,916,172.66

Finding the Fourth Proportional to 20,208,602.62, 27,887,883.15 and 10,916,172.66

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Solution

The fourth proportional to 20,208,602.62, 27,887,883.15 and 10,916,172.66 is: 15,064,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,602.62 : 27,887,883.15 = 10,916,172.66 : x
  2. Step 2: Convert to fraction form
    20,208,602.62/27,887,883.15 = 10,916,172.66/x
  3. Step 3: Cross multiply
    20,208,602.62x = 27,887,883.15 × 10,916,172.66
  4. Step 4: Simplify right side
    20,208,602.62x = 304,428,947,732,819.88
  5. Step 5: Solve for x
    x = 304,428,947,732,819.88/20,208,602.62
  6. Step 6: Final answer
    x = 15,064,324.51

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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.