Home / 12,255,190.28-16,911,832.18-6,822,682.76

Finding the Fourth Proportional to 12,255,190.28, 16,911,832.18 and 6,822,682.76

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Solution

The fourth proportional to 12,255,190.28, 16,911,832.18 and 6,822,682.76 is: 9,415,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255,190.28 : 16,911,832.18 = 6,822,682.76 : x
  2. Step 2: Convert to fraction form
    12,255,190.28/16,911,832.18 = 6,822,682.76/x
  3. Step 3: Cross multiply
    12,255,190.28x = 16,911,832.18 × 6,822,682.76
  4. Step 4: Simplify right side
    12,255,190.28x = 115,384,065,854,499.22
  5. Step 5: Solve for x
    x = 115,384,065,854,499.22/12,255,190.28
  6. Step 6: Final answer
    x = 9,415,118.27

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Double scale
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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.