Home / 20,464,558.76-28,240,350.66-11,297,004.84

Finding the Fourth Proportional to 20,464,558.76, 28,240,350.66 and 11,297,004.84

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Solution

The fourth proportional to 20,464,558.76, 28,240,350.66 and 11,297,004.84 is: 15,589,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,558.76 : 28,240,350.66 = 11,297,004.84 : x
  2. Step 2: Convert to fraction form
    20,464,558.76/28,240,350.66 = 11,297,004.84/x
  3. Step 3: Cross multiply
    20,464,558.76x = 28,240,350.66 × 11,297,004.84
  4. Step 4: Simplify right side
    20,464,558.76x = 319,031,378,089,317.19
  5. Step 5: Solve for x
    x = 319,031,378,089,317.19/20,464,558.76
  6. Step 6: Final answer
    x = 15,589,457.94

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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.