Home / 10,992,997.80-16,484,831.10-5,314,962.60

Finding the Fourth Proportional to 10,992,997.80, 16,484,831.10 and 5,314,962.60

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Solution

The fourth proportional to 10,992,997.80, 16,484,831.10 and 5,314,962.60 is: 7,970,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,997.80 : 16,484,831.10 = 5,314,962.60 : x
  2. Step 2: Convert to fraction form
    10,992,997.80/16,484,831.10 = 5,314,962.60/x
  3. Step 3: Cross multiply
    10,992,997.80x = 16,484,831.10 × 5,314,962.60
  4. Step 4: Simplify right side
    10,992,997.80x = 87,616,260,763,816.86
  5. Step 5: Solve for x
    x = 87,616,260,763,816.86/10,992,997.80
  6. Step 6: Final answer
    x = 7,970,188.15

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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.