Home / 14,906,943.92-20,571,458.96-8,380,602.48

Finding the Fourth Proportional to 14,906,943.92, 20,571,458.96 and 8,380,602.48

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Solution

The fourth proportional to 14,906,943.92, 20,571,458.96 and 8,380,602.48 is: 11,565,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,943.92 : 20,571,458.96 = 8,380,602.48 : x
  2. Step 2: Convert to fraction form
    14,906,943.92/20,571,458.96 = 8,380,602.48/x
  3. Step 3: Cross multiply
    14,906,943.92x = 20,571,458.96 × 8,380,602.48
  4. Step 4: Simplify right side
    14,906,943.92x = 172,401,219,977,394.25
  5. Step 5: Solve for x
    x = 172,401,219,977,394.25/14,906,943.92
  6. Step 6: Final answer
    x = 11,565,161.91

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1.5x scale

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.