Home / 12,826,236.32-17,691,690.48-8,248,349.60

Finding the Fourth Proportional to 12,826,236.32, 17,691,690.48 and 8,248,349.60

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Solution

The fourth proportional to 12,826,236.32, 17,691,690.48 and 8,248,349.60 is: 11,377,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,236.32 : 17,691,690.48 = 8,248,349.60 : x
  2. Step 2: Convert to fraction form
    12,826,236.32/17,691,690.48 = 8,248,349.60/x
  3. Step 3: Cross multiply
    12,826,236.32x = 17,691,690.48 × 8,248,349.60
  4. Step 4: Simplify right side
    12,826,236.32x = 145,927,248,094,031.81
  5. Step 5: Solve for x
    x = 145,927,248,094,031.81/12,826,236.32
  6. Step 6: Final answer
    x = 11,377,246.17

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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.