Home / 15,985,904.80-23,978,857.20-11,198,999.20

Finding the Fourth Proportional to 15,985,904.80, 23,978,857.20 and 11,198,999.20

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Solution

The fourth proportional to 15,985,904.80, 23,978,857.20 and 11,198,999.20 is: 16,798,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985,904.80 : 23,978,857.20 = 11,198,999.20 : x
  2. Step 2: Convert to fraction form
    15,985,904.80/23,978,857.20 = 11,198,999.20/x
  3. Step 3: Cross multiply
    15,985,904.80x = 23,978,857.20 × 11,198,999.20
  4. Step 4: Simplify right side
    15,985,904.80x = 268,539,202,599,714.22
  5. Step 5: Solve for x
    x = 268,539,202,599,714.22/15,985,904.80
  6. Step 6: Final answer
    x = 16,798,498.80

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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.