Home / 12,114,997.20-18,182,410.20-12,020,518.80

Finding the Fourth Proportional to 12,114,997.20, 18,182,410.20 and 12,020,518.80

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Solution

The fourth proportional to 12,114,997.20, 18,182,410.20 and 12,020,518.80 is: 18,040,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,997.20 : 18,182,410.20 = 12,020,518.80 : x
  2. Step 2: Convert to fraction form
    12,114,997.20/18,182,410.20 = 12,020,518.80/x
  3. Step 3: Cross multiply
    12,114,997.20x = 18,182,410.20 × 12,020,518.80
  4. Step 4: Simplify right side
    12,114,997.20x = 218,562,003,638,411.75
  5. Step 5: Solve for x
    x = 218,562,003,638,411.75/12,114,997.20
  6. Step 6: Final answer
    x = 18,040,615.28

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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.