Home / 20,312,163.87-28,030,783.10-11,610,523.32

Finding the Fourth Proportional to 20,312,163.87, 28,030,783.10 and 11,610,523.32

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Solution

The fourth proportional to 20,312,163.87, 28,030,783.10 and 11,610,523.32 is: 16,022,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312,163.87 : 28,030,783.10 = 11,610,523.32 : x
  2. Step 2: Convert to fraction form
    20,312,163.87/28,030,783.10 = 11,610,523.32/x
  3. Step 3: Cross multiply
    20,312,163.87x = 28,030,783.10 × 11,610,523.32
  4. Step 4: Simplify right side
    20,312,163.87x = 325,452,060,802,359.25
  5. Step 5: Solve for x
    x = 325,452,060,802,359.25/20,312,163.87
  6. Step 6: Final answer
    x = 16,022,520.44

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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.