Home / 21,150,588-29,187,986.40-11,492,796

Finding the Fourth Proportional to 21,150,588, 29,187,986.40 and 11,492,796

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Solution

The fourth proportional to 21,150,588, 29,187,986.40 and 11,492,796 is: 15,860,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150,588 : 29,187,986.40 = 11,492,796 : x
  2. Step 2: Convert to fraction form
    21,150,588/29,187,986.40 = 11,492,796/x
  3. Step 3: Cross multiply
    21,150,588x = 29,187,986.40 × 11,492,796
  4. Step 4: Simplify right side
    21,150,588x = 335,451,573,345,974.38
  5. Step 5: Solve for x
    x = 335,451,573,345,974.38/21,150,588
  6. Step 6: Final answer
    x = 15,860,153.55

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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.