Home / 10,681,874.87-14,740,990.74-5,787,130.73

Finding the Fourth Proportional to 10,681,874.87, 14,740,990.74 and 5,787,130.73

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Solution

The fourth proportional to 10,681,874.87, 14,740,990.74 and 5,787,130.73 is: 7,986,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,874.87 : 14,740,990.74 = 5,787,130.73 : x
  2. Step 2: Convert to fraction form
    10,681,874.87/14,740,990.74 = 5,787,130.73/x
  3. Step 3: Cross multiply
    10,681,874.87x = 14,740,990.74 × 5,787,130.73
  4. Step 4: Simplify right side
    10,681,874.87x = 85,308,040,428,394.48
  5. Step 5: Solve for x
    x = 85,308,040,428,394.48/10,681,874.87
  6. Step 6: Final answer
    x = 7,986,242.26

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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.