Home / 11,284,967.46-15,578,022.06-7,618,849.68

Finding the Fourth Proportional to 11,284,967.46, 15,578,022.06 and 7,618,849.68

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Solution

The fourth proportional to 11,284,967.46, 15,578,022.06 and 7,618,849.68 is: 10,517,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284,967.46 : 15,578,022.06 = 7,618,849.68 : x
  2. Step 2: Convert to fraction form
    11,284,967.46/15,578,022.06 = 7,618,849.68/x
  3. Step 3: Cross multiply
    11,284,967.46x = 15,578,022.06 × 7,618,849.68
  4. Step 4: Simplify right side
    11,284,967.46x = 118,686,608,386,863.94
  5. Step 5: Solve for x
    x = 118,686,608,386,863.94/11,284,967.46
  6. Step 6: Final answer
    x = 10,517,230.89

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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.