Home / 11,219,017.20-16,828,525.80-9,305,829.60

Finding the Fourth Proportional to 11,219,017.20, 16,828,525.80 and 9,305,829.60

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Solution

The fourth proportional to 11,219,017.20, 16,828,525.80 and 9,305,829.60 is: 13,958,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219,017.20 : 16,828,525.80 = 9,305,829.60 : x
  2. Step 2: Convert to fraction form
    11,219,017.20/16,828,525.80 = 9,305,829.60/x
  3. Step 3: Cross multiply
    11,219,017.20x = 16,828,525.80 × 9,305,829.60
  4. Step 4: Simplify right side
    11,219,017.20x = 156,603,393,514,003.69
  5. Step 5: Solve for x
    x = 156,603,393,514,003.69/11,219,017.20
  6. Step 6: Final answer
    x = 13,958,744.40

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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.