Home / 18,521,987.18-25,560,010.31-10,261,883.30

Finding the Fourth Proportional to 18,521,987.18, 25,560,010.31 and 10,261,883.30

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Solution

The fourth proportional to 18,521,987.18, 25,560,010.31 and 10,261,883.30 is: 14,161,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,987.18 : 25,560,010.31 = 10,261,883.30 : x
  2. Step 2: Convert to fraction form
    18,521,987.18/25,560,010.31 = 10,261,883.30/x
  3. Step 3: Cross multiply
    18,521,987.18x = 25,560,010.31 × 10,261,883.30
  4. Step 4: Simplify right side
    18,521,987.18x = 262,293,842,768,907.34
  5. Step 5: Solve for x
    x = 262,293,842,768,907.34/18,521,987.18
  6. Step 6: Final answer
    x = 14,161,215.01

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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.