Home / 7,242,815.70-10,864,223.55-4,256,831.70

Finding the Fourth Proportional to 7,242,815.70, 10,864,223.55 and 4,256,831.70

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Solution

The fourth proportional to 7,242,815.70, 10,864,223.55 and 4,256,831.70 is: 6,385,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,815.70 : 10,864,223.55 = 4,256,831.70 : x
  2. Step 2: Convert to fraction form
    7,242,815.70/10,864,223.55 = 4,256,831.70/x
  3. Step 3: Cross multiply
    7,242,815.70x = 10,864,223.55 × 4,256,831.70
  4. Step 4: Simplify right side
    7,242,815.70x = 46,247,171,203,526.54
  5. Step 5: Solve for x
    x = 46,247,171,203,526.54/7,242,815.70
  6. Step 6: Final answer
    x = 6,385,247.55

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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.