Home / 9,268,258.87-12,790,955.21-5,139,585.10

Finding the Fourth Proportional to 9,268,258.87, 12,790,955.21 and 5,139,585.10

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Solution

The fourth proportional to 9,268,258.87, 12,790,955.21 and 5,139,585.10 is: 7,093,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,258.87 : 12,790,955.21 = 5,139,585.10 : x
  2. Step 2: Convert to fraction form
    9,268,258.87/12,790,955.21 = 5,139,585.10/x
  3. Step 3: Cross multiply
    9,268,258.87x = 12,790,955.21 × 5,139,585.10
  4. Step 4: Simplify right side
    9,268,258.87x = 65,740,202,812,083.37
  5. Step 5: Solve for x
    x = 65,740,202,812,083.37/9,268,258.87
  6. Step 6: Final answer
    x = 7,093,047.76

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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.