Home / 20,734,777.22-28,614,004.70-11,567,419.96

Finding the Fourth Proportional to 20,734,777.22, 28,614,004.70 and 11,567,419.96

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Solution

The fourth proportional to 20,734,777.22, 28,614,004.70 and 11,567,419.96 is: 15,963,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,777.22 : 28,614,004.70 = 11,567,419.96 : x
  2. Step 2: Convert to fraction form
    20,734,777.22/28,614,004.70 = 11,567,419.96/x
  3. Step 3: Cross multiply
    20,734,777.22x = 28,614,004.70 × 11,567,419.96
  4. Step 4: Simplify right side
    20,734,777.22x = 330,990,209,102,313.81
  5. Step 5: Solve for x
    x = 330,990,209,102,313.81/20,734,777.22
  6. Step 6: Final answer
    x = 15,963,046.32

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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.