Home / 12,099,346.65-18,149,019.98-11,142,752.85

Finding the Fourth Proportional to 12,099,346.65, 18,149,019.98 and 11,142,752.85

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Solution

The fourth proportional to 12,099,346.65, 18,149,019.98 and 11,142,752.85 is: 16,714,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,346.65 : 18,149,019.98 = 11,142,752.85 : x
  2. Step 2: Convert to fraction form
    12,099,346.65/18,149,019.98 = 11,142,752.85/x
  3. Step 3: Cross multiply
    12,099,346.65x = 18,149,019.98 × 11,142,752.85
  4. Step 4: Simplify right side
    12,099,346.65x = 202,230,044,051,138.19
  5. Step 5: Solve for x
    x = 202,230,044,051,138.19/12,099,346.65
  6. Step 6: Final answer
    x = 16,714,129.28

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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.