Home / 21,517,831.20-32,276,746.80-16,415,997.60

Finding the Fourth Proportional to 21,517,831.20, 32,276,746.80 and 16,415,997.60

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Solution

The fourth proportional to 21,517,831.20, 32,276,746.80 and 16,415,997.60 is: 24,623,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,831.20 : 32,276,746.80 = 16,415,997.60 : x
  2. Step 2: Convert to fraction form
    21,517,831.20/32,276,746.80 = 16,415,997.60/x
  3. Step 3: Cross multiply
    21,517,831.20x = 32,276,746.80 × 16,415,997.60
  4. Step 4: Simplify right side
    21,517,831.20x = 529,854,998,004,607.69
  5. Step 5: Solve for x
    x = 529,854,998,004,607.69/21,517,831.20
  6. Step 6: Final answer
    x = 24,623,996.40

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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.