Home / 12,949,201.60-19,426,135.20-5,376,932.80

Finding the Fourth Proportional to 12,949,201.60, 19,426,135.20 and 5,376,932.80

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Solution

The fourth proportional to 12,949,201.60, 19,426,135.20 and 5,376,932.80 is: 8,066,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,201.60 : 19,426,135.20 = 5,376,932.80 : x
  2. Step 2: Convert to fraction form
    12,949,201.60/19,426,135.20 = 5,376,932.80/x
  3. Step 3: Cross multiply
    12,949,201.60x = 19,426,135.20 × 5,376,932.80
  4. Step 4: Simplify right side
    12,949,201.60x = 104,453,023,534,114.55
  5. Step 5: Solve for x
    x = 104,453,023,534,114.55/12,949,201.60
  6. Step 6: Final answer
    x = 8,066,367.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.