Home / 10,420,174.32-14,380,048.80-6,069,540.96

Finding the Fourth Proportional to 10,420,174.32, 14,380,048.80 and 6,069,540.96

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Solution

The fourth proportional to 10,420,174.32, 14,380,048.80 and 6,069,540.96 is: 8,376,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,174.32 : 14,380,048.80 = 6,069,540.96 : x
  2. Step 2: Convert to fraction form
    10,420,174.32/14,380,048.80 = 6,069,540.96/x
  3. Step 3: Cross multiply
    10,420,174.32x = 14,380,048.80 × 6,069,540.96
  4. Step 4: Simplify right side
    10,420,174.32x = 87,280,295,198,398.86
  5. Step 5: Solve for x
    x = 87,280,295,198,398.86/10,420,174.32
  6. Step 6: Final answer
    x = 8,376,087.82

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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.