Home / 7,585,719.40-11,389,076.70-5,990,084.20

Finding the Fourth Proportional to 7,585,719.40, 11,389,076.70 and 5,990,084.20

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Solution

The fourth proportional to 7,585,719.40, 11,389,076.70 and 5,990,084.20 is: 8,993,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585,719.40 : 11,389,076.70 = 5,990,084.20 : x
  2. Step 2: Convert to fraction form
    7,585,719.40/11,389,076.70 = 5,990,084.20/x
  3. Step 3: Cross multiply
    7,585,719.40x = 11,389,076.70 × 5,990,084.20
  4. Step 4: Simplify right side
    7,585,719.40x = 68,221,528,393,258.14
  5. Step 5: Solve for x
    x = 68,221,528,393,258.14/7,585,719.40
  6. Step 6: Final answer
    x = 8,993,415.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.