Home / 11,207,120.80-16,810,681.20-9,789,944.80

Finding the Fourth Proportional to 11,207,120.80, 16,810,681.20 and 9,789,944.80

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Solution

The fourth proportional to 11,207,120.80, 16,810,681.20 and 9,789,944.80 is: 14,684,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207,120.80 : 16,810,681.20 = 9,789,944.80 : x
  2. Step 2: Convert to fraction form
    11,207,120.80/16,810,681.20 = 9,789,944.80/x
  3. Step 3: Cross multiply
    11,207,120.80x = 16,810,681.20 × 9,789,944.80
  4. Step 4: Simplify right side
    11,207,120.80x = 164,575,640,998,397.75
  5. Step 5: Solve for x
    x = 164,575,640,998,397.75/11,207,120.80
  6. Step 6: Final answer
    x = 14,684,917.20

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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.