Home / 11,328,051.20-16,964,083.20-7,520,921.60

Finding the Fourth Proportional to 11,328,051.20, 16,964,083.20 and 7,520,921.60

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Solution

The fourth proportional to 11,328,051.20, 16,964,083.20 and 7,520,921.60 is: 11,262,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,051.20 : 16,964,083.20 = 7,520,921.60 : x
  2. Step 2: Convert to fraction form
    11,328,051.20/16,964,083.20 = 7,520,921.60/x
  3. Step 3: Cross multiply
    11,328,051.20x = 16,964,083.20 × 7,520,921.60
  4. Step 4: Simplify right side
    11,328,051.20x = 127,585,539,763,077.11
  5. Step 5: Solve for x
    x = 127,585,539,763,077.11/11,328,051.20
  6. Step 6: Final answer
    x = 11,262,796.88

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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.