Home / 16,821,211.80-23,213,268.72-9,086,254.32

Finding the Fourth Proportional to 16,821,211.80, 23,213,268.72 and 9,086,254.32

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Solution

The fourth proportional to 16,821,211.80, 23,213,268.72 and 9,086,254.32 is: 12,539,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,211.80 : 23,213,268.72 = 9,086,254.32 : x
  2. Step 2: Convert to fraction form
    16,821,211.80/23,213,268.72 = 9,086,254.32/x
  3. Step 3: Cross multiply
    16,821,211.80x = 23,213,268.72 × 9,086,254.32
  4. Step 4: Simplify right side
    16,821,211.80x = 210,921,663,188,420.88
  5. Step 5: Solve for x
    x = 210,921,663,188,420.88/16,821,211.80
  6. Step 6: Final answer
    x = 12,539,029.04

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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.