Home / 26,949,138.30-40,429,612.35-13,308,819.30

Finding the Fourth Proportional to 26,949,138.30, 40,429,612.35 and 13,308,819.30

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Solution

The fourth proportional to 26,949,138.30, 40,429,612.35 and 13,308,819.30 is: 19,966,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949,138.30 : 40,429,612.35 = 13,308,819.30 : x
  2. Step 2: Convert to fraction form
    26,949,138.30/40,429,612.35 = 13,308,819.30/x
  3. Step 3: Cross multiply
    26,949,138.30x = 40,429,612.35 × 13,308,819.30
  4. Step 4: Simplify right side
    26,949,138.30x = 538,070,405,135,198.38
  5. Step 5: Solve for x
    x = 538,070,405,135,198.38/26,949,138.30
  6. Step 6: Final answer
    x = 19,966,145.08

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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.