Home / 21,653,647.65-29,882,777.58-11,864,062.17

Finding the Fourth Proportional to 21,653,647.65, 29,882,777.58 and 11,864,062.17

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Solution

The fourth proportional to 21,653,647.65, 29,882,777.58 and 11,864,062.17 is: 16,372,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653,647.65 : 29,882,777.58 = 11,864,062.17 : x
  2. Step 2: Convert to fraction form
    21,653,647.65/29,882,777.58 = 11,864,062.17/x
  3. Step 3: Cross multiply
    21,653,647.65x = 29,882,777.58 × 11,864,062.17
  4. Step 4: Simplify right side
    21,653,647.65x = 354,531,131,021,402.12
  5. Step 5: Solve for x
    x = 354,531,131,021,402.12/21,653,647.65
  6. Step 6: Final answer
    x = 16,372,813.34

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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.