Home / 11,020,107.60-16,530,161.40-7,973,179.20

Finding the Fourth Proportional to 11,020,107.60, 16,530,161.40 and 7,973,179.20

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Solution

The fourth proportional to 11,020,107.60, 16,530,161.40 and 7,973,179.20 is: 11,959,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020,107.60 : 16,530,161.40 = 7,973,179.20 : x
  2. Step 2: Convert to fraction form
    11,020,107.60/16,530,161.40 = 7,973,179.20/x
  3. Step 3: Cross multiply
    11,020,107.60x = 16,530,161.40 × 7,973,179.20
  4. Step 4: Simplify right side
    11,020,107.60x = 131,797,939,047,122.89
  5. Step 5: Solve for x
    x = 131,797,939,047,122.89/11,020,107.60
  6. Step 6: Final answer
    x = 11,959,768.80

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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.