Home / 7,186,966.43-9,917,883.54-4,089,422.97

Finding the Fourth Proportional to 7,186,966.43, 9,917,883.54 and 4,089,422.97

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Solution

The fourth proportional to 7,186,966.43, 9,917,883.54 and 4,089,422.97 is: 5,643,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,966.43 : 9,917,883.54 = 4,089,422.97 : x
  2. Step 2: Convert to fraction form
    7,186,966.43/9,917,883.54 = 4,089,422.97/x
  3. Step 3: Cross multiply
    7,186,966.43x = 9,917,883.54 × 4,089,422.97
  4. Step 4: Simplify right side
    7,186,966.43x = 40,558,420,762,260.91
  5. Step 5: Solve for x
    x = 40,558,420,762,260.91/7,186,966.43
  6. Step 6: Final answer
    x = 5,643,329.66

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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.