Home / 14,906,944.05-20,571,459.13-8,380,602.60

Finding the Fourth Proportional to 14,906,944.05, 20,571,459.13 and 8,380,602.60

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Solution

The fourth proportional to 14,906,944.05, 20,571,459.13 and 8,380,602.60 is: 11,565,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,944.05 : 20,571,459.13 = 8,380,602.60 : x
  2. Step 2: Convert to fraction form
    14,906,944.05/20,571,459.13 = 8,380,602.60/x
  3. Step 3: Cross multiply
    14,906,944.05x = 20,571,459.13 × 8,380,602.60
  4. Step 4: Simplify right side
    14,906,944.05x = 172,401,223,870,671.72
  5. Step 5: Solve for x
    x = 172,401,223,870,671.72/14,906,944.05
  6. Step 6: Final answer
    x = 11,565,162.07

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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.