Home / 14,906,943.05-20,571,457.75-8,380,601.60

Finding the Fourth Proportional to 14,906,943.05, 20,571,457.75 and 8,380,601.60

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Solution

The fourth proportional to 14,906,943.05, 20,571,457.75 and 8,380,601.60 is: 11,565,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,943.05 : 20,571,457.75 = 8,380,601.60 : x
  2. Step 2: Convert to fraction form
    14,906,943.05/20,571,457.75 = 8,380,601.60/x
  3. Step 3: Cross multiply
    14,906,943.05x = 20,571,457.75 × 8,380,601.60
  4. Step 4: Simplify right side
    14,906,943.05x = 172,401,191,610,173.59
  5. Step 5: Solve for x
    x = 172,401,191,610,173.59/14,906,943.05
  6. Step 6: Final answer
    x = 11,565,160.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.