Home / 13,446,019.30-20,190,024.15-7,777,315.30

Finding the Fourth Proportional to 13,446,019.30, 20,190,024.15 and 7,777,315.30

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Solution

The fourth proportional to 13,446,019.30, 20,190,024.15 and 7,777,315.30 is: 11,678,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,019.30 : 20,190,024.15 = 7,777,315.30 : x
  2. Step 2: Convert to fraction form
    13,446,019.30/20,190,024.15 = 7,777,315.30/x
  3. Step 3: Cross multiply
    13,446,019.30x = 20,190,024.15 × 7,777,315.30
  4. Step 4: Simplify right side
    13,446,019.30x = 157,024,183,729,164.47
  5. Step 5: Solve for x
    x = 157,024,183,729,164.47/13,446,019.30
  6. Step 6: Final answer
    x = 11,678,116.79

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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.