Home / 18,116,805.31-27,177,731.45-5,821,138.66

Finding the Fourth Proportional to 18,116,805.31, 27,177,731.45 and 5,821,138.66

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Solution

The fourth proportional to 18,116,805.31, 27,177,731.45 and 5,821,138.66 is: 8,732,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,805.31 : 27,177,731.45 = 5,821,138.66 : x
  2. Step 2: Convert to fraction form
    18,116,805.31/27,177,731.45 = 5,821,138.66/x
  3. Step 3: Cross multiply
    18,116,805.31x = 27,177,731.45 × 5,821,138.66
  4. Step 4: Simplify right side
    18,116,805.31x = 158,205,343,210,430.34
  5. Step 5: Solve for x
    x = 158,205,343,210,430.34/18,116,805.31
  6. Step 6: Final answer
    x = 8,732,518.81

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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.