Home / 21,629,443.08-29,848,588.02-11,839,890

Finding the Fourth Proportional to 21,629,443.08, 29,848,588.02 and 11,839,890

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Solution

The fourth proportional to 21,629,443.08, 29,848,588.02 and 11,839,890 is: 16,339,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629,443.08 : 29,848,588.02 = 11,839,890 : x
  2. Step 2: Convert to fraction form
    21,629,443.08/29,848,588.02 = 11,839,890/x
  3. Step 3: Cross multiply
    21,629,443.08x = 29,848,588.02 × 11,839,890
  4. Step 4: Simplify right side
    21,629,443.08x = 353,403,998,812,117.81
  5. Step 5: Solve for x
    x = 353,403,998,812,117.81/21,629,443.08
  6. Step 6: Final answer
    x = 16,339,024.43

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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.