Home / 9,121,808.80-13,682,713.20-8,980,091.20

Finding the Fourth Proportional to 9,121,808.80, 13,682,713.20 and 8,980,091.20

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Solution

The fourth proportional to 9,121,808.80, 13,682,713.20 and 8,980,091.20 is: 13,470,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,808.80 : 13,682,713.20 = 8,980,091.20 : x
  2. Step 2: Convert to fraction form
    9,121,808.80/13,682,713.20 = 8,980,091.20/x
  3. Step 3: Cross multiply
    9,121,808.80x = 13,682,713.20 × 8,980,091.20
  4. Step 4: Simplify right side
    9,121,808.80x = 122,872,012,399,443.83
  5. Step 5: Solve for x
    x = 122,872,012,399,443.83/9,121,808.80
  6. Step 6: Final answer
    x = 13,470,136.80

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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.