Home / 31,062,842.17-42,866,851.66-17,123,891.05

Finding the Fourth Proportional to 31,062,842.17, 42,866,851.66 and 17,123,891.05

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Solution

The fourth proportional to 31,062,842.17, 42,866,851.66 and 17,123,891.05 is: 23,631,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,062,842.17 : 42,866,851.66 = 17,123,891.05 : x
  2. Step 2: Convert to fraction form
    31,062,842.17/42,866,851.66 = 17,123,891.05/x
  3. Step 3: Cross multiply
    31,062,842.17x = 42,866,851.66 × 17,123,891.05
  4. Step 4: Simplify right side
    31,062,842.17x = 734,047,297,396,732.25
  5. Step 5: Solve for x
    x = 734,047,297,396,732.25/31,062,842.17
  6. Step 6: Final answer
    x = 23,631,041.02

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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.