Home / 21,051,884.21-29,051,842.52-12,350,204.87

Finding the Fourth Proportional to 21,051,884.21, 29,051,842.52 and 12,350,204.87

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Solution

The fourth proportional to 21,051,884.21, 29,051,842.52 and 12,350,204.87 is: 17,043,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,884.21 : 29,051,842.52 = 12,350,204.87 : x
  2. Step 2: Convert to fraction form
    21,051,884.21/29,051,842.52 = 12,350,204.87/x
  3. Step 3: Cross multiply
    21,051,884.21x = 29,051,842.52 × 12,350,204.87
  4. Step 4: Simplify right side
    21,051,884.21x = 358,796,206,858,593.38
  5. Step 5: Solve for x
    x = 358,796,206,858,593.38/21,051,884.21
  6. Step 6: Final answer
    x = 17,043,424.87

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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.