Home / 14,507,006.72-20,019,835.43-8,311,929.30

Finding the Fourth Proportional to 14,507,006.72, 20,019,835.43 and 8,311,929.30

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Solution

The fourth proportional to 14,507,006.72, 20,019,835.43 and 8,311,929.30 is: 11,470,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,006.72 : 20,019,835.43 = 8,311,929.30 : x
  2. Step 2: Convert to fraction form
    14,507,006.72/20,019,835.43 = 8,311,929.30/x
  3. Step 3: Cross multiply
    14,507,006.72x = 20,019,835.43 × 8,311,929.30
  4. Step 4: Simplify right side
    14,507,006.72x = 166,403,456,691,795.09
  5. Step 5: Solve for x
    x = 166,403,456,691,795.09/14,507,006.72
  6. Step 6: Final answer
    x = 11,470,557.63

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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.