Home / 14,906,953.06-20,571,471.54-8,380,611.60

Finding the Fourth Proportional to 14,906,953.06, 20,571,471.54 and 8,380,611.60

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Solution

The fourth proportional to 14,906,953.06, 20,571,471.54 and 8,380,611.60 is: 11,565,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,953.06 : 20,571,471.54 = 8,380,611.60 : x
  2. Step 2: Convert to fraction form
    14,906,953.06/20,571,471.54 = 8,380,611.60/x
  3. Step 3: Cross multiply
    14,906,953.06x = 20,571,471.54 × 8,380,611.60
  4. Step 4: Simplify right side
    14,906,953.06x = 172,401,513,017,193.84
  5. Step 5: Solve for x
    x = 172,401,513,017,193.84/14,906,953.06
  6. Step 6: Final answer
    x = 11,565,174.47

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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.