Home / 21,637,021.73-32,404,010.51-12,519,905.34

Finding the Fourth Proportional to 21,637,021.73, 32,404,010.51 and 12,519,905.34

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Solution

The fourth proportional to 21,637,021.73, 32,404,010.51 and 12,519,905.34 is: 18,750,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,021.73 : 32,404,010.51 = 12,519,905.34 : x
  2. Step 2: Convert to fraction form
    21,637,021.73/32,404,010.51 = 12,519,905.34/x
  3. Step 3: Cross multiply
    21,637,021.73x = 32,404,010.51 × 12,519,905.34
  4. Step 4: Simplify right side
    21,637,021.73x = 405,695,144,221,565.12
  5. Step 5: Solve for x
    x = 405,695,144,221,565.12/21,637,021.73
  6. Step 6: Final answer
    x = 18,750,045.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.