Home / 13,446,017.30-20,190,021.15-7,777,313.30

Finding the Fourth Proportional to 13,446,017.30, 20,190,021.15 and 7,777,313.30

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Solution

The fourth proportional to 13,446,017.30, 20,190,021.15 and 7,777,313.30 is: 11,678,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,017.30 : 20,190,021.15 = 7,777,313.30 : x
  2. Step 2: Convert to fraction form
    13,446,017.30/20,190,021.15 = 7,777,313.30/x
  3. Step 3: Cross multiply
    13,446,017.30x = 20,190,021.15 × 7,777,313.30
  4. Step 4: Simplify right side
    13,446,017.30x = 157,024,120,017,176.28
  5. Step 5: Solve for x
    x = 157,024,120,017,176.28/13,446,017.30
  6. Step 6: Final answer
    x = 11,678,113.79

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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.