Home / 21,462,644-29,618,526.48-11,673,087.68

Finding the Fourth Proportional to 21,462,644, 29,618,526.48 and 11,673,087.68

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Solution

The fourth proportional to 21,462,644, 29,618,526.48 and 11,673,087.68 is: 16,108,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462,644 : 29,618,526.48 = 11,673,087.68 : x
  2. Step 2: Convert to fraction form
    21,462,644/29,618,526.48 = 11,673,087.68/x
  3. Step 3: Cross multiply
    21,462,644x = 29,618,526.48 × 11,673,087.68
  4. Step 4: Simplify right side
    21,462,644x = 345,739,656,553,441.75
  5. Step 5: Solve for x
    x = 345,739,656,553,441.75/21,462,644
  6. Step 6: Final answer
    x = 16,108,903.29

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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.