Home / 7,192,809.20-10,787,831.40-2,144,284.40

Finding the Fourth Proportional to 7,192,809.20, 10,787,831.40 and 2,144,284.40

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Solution

The fourth proportional to 7,192,809.20, 10,787,831.40 and 2,144,284.40 is: 3,216,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,809.20 : 10,787,831.40 = 2,144,284.40 : x
  2. Step 2: Convert to fraction form
    7,192,809.20/10,787,831.40 = 2,144,284.40/x
  3. Step 3: Cross multiply
    7,192,809.20x = 10,787,831.40 × 2,144,284.40
  4. Step 4: Simplify right side
    7,192,809.20x = 23,132,178,580,850.16
  5. Step 5: Solve for x
    x = 23,132,178,580,850.16/7,192,809.20
  6. Step 6: Final answer
    x = 3,216,014.49

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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.