Home / 13,972,005.10-20,969,066.85-5,456,421.10

Finding the Fourth Proportional to 13,972,005.10, 20,969,066.85 and 5,456,421.10

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Solution

The fourth proportional to 13,972,005.10, 20,969,066.85 and 5,456,421.10 is: 8,188,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,005.10 : 20,969,066.85 = 5,456,421.10 : x
  2. Step 2: Convert to fraction form
    13,972,005.10/20,969,066.85 = 5,456,421.10/x
  3. Step 3: Cross multiply
    13,972,005.10x = 20,969,066.85 × 5,456,421.10
  4. Step 4: Simplify right side
    13,972,005.10x = 114,416,058,807,650.53
  5. Step 5: Solve for x
    x = 114,416,058,807,650.53/13,972,005.10
  6. Step 6: Final answer
    x = 8,188,950.55

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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.