Home / 21,257,826.42-29,336,730.76-11,965,996.02

Finding the Fourth Proportional to 21,257,826.42, 29,336,730.76 and 11,965,996.02

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Solution

The fourth proportional to 21,257,826.42, 29,336,730.76 and 11,965,996.02 is: 16,513,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,826.42 : 29,336,730.76 = 11,965,996.02 : x
  2. Step 2: Convert to fraction form
    21,257,826.42/29,336,730.76 = 11,965,996.02/x
  3. Step 3: Cross multiply
    21,257,826.42x = 29,336,730.76 × 11,965,996.02
  4. Step 4: Simplify right side
    21,257,826.42x = 351,043,203,513,971.56
  5. Step 5: Solve for x
    x = 351,043,203,513,971.56/21,257,826.42
  6. Step 6: Final answer
    x = 16,513,598.17

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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.