Home / 21,141,762.72-29,177,678.16-11,850,910.44

Finding the Fourth Proportional to 21,141,762.72, 29,177,678.16 and 11,850,910.44

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Solution

The fourth proportional to 21,141,762.72, 29,177,678.16 and 11,850,910.44 is: 16,355,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,762.72 : 29,177,678.16 = 11,850,910.44 : x
  2. Step 2: Convert to fraction form
    21,141,762.72/29,177,678.16 = 11,850,910.44/x
  3. Step 3: Cross multiply
    21,141,762.72x = 29,177,678.16 × 11,850,910.44
  4. Step 4: Simplify right side
    21,141,762.72x = 345,782,050,721,304
  5. Step 5: Solve for x
    x = 345,782,050,721,304/21,141,762.72
  6. Step 6: Final answer
    x = 16,355,403.06

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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.