Home / 9,201,620.80-13,802,431.20-7,784,444.80

Finding the Fourth Proportional to 9,201,620.80, 13,802,431.20 and 7,784,444.80

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Solution

The fourth proportional to 9,201,620.80, 13,802,431.20 and 7,784,444.80 is: 11,676,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201,620.80 : 13,802,431.20 = 7,784,444.80 : x
  2. Step 2: Convert to fraction form
    9,201,620.80/13,802,431.20 = 7,784,444.80/x
  3. Step 3: Cross multiply
    9,201,620.80x = 13,802,431.20 × 7,784,444.80
  4. Step 4: Simplify right side
    9,201,620.80x = 107,444,263,782,197.75
  5. Step 5: Solve for x
    x = 107,444,263,782,197.75/9,201,620.80
  6. Step 6: Final answer
    x = 11,676,667.20

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1.5x scale

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.