Home / 8,400,736.96-12,607,831.68-4,358,383.36

Finding the Fourth Proportional to 8,400,736.96, 12,607,831.68 and 4,358,383.36

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Solution

The fourth proportional to 8,400,736.96, 12,607,831.68 and 4,358,383.36 is: 6,541,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,736.96 : 12,607,831.68 = 4,358,383.36 : x
  2. Step 2: Convert to fraction form
    8,400,736.96/12,607,831.68 = 4,358,383.36/x
  3. Step 3: Cross multiply
    8,400,736.96x = 12,607,831.68 × 4,358,383.36
  4. Step 4: Simplify right side
    8,400,736.96x = 54,949,763,799,792.85
  5. Step 5: Solve for x
    x = 54,949,763,799,792.85/8,400,736.96
  6. Step 6: Final answer
    x = 6,541,064.68

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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.