Home / 7,447,205.80-11,170,808.70-2,660,300.20

Finding the Fourth Proportional to 7,447,205.80, 11,170,808.70 and 2,660,300.20

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Solution

The fourth proportional to 7,447,205.80, 11,170,808.70 and 2,660,300.20 is: 3,990,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,205.80 : 11,170,808.70 = 2,660,300.20 : x
  2. Step 2: Convert to fraction form
    7,447,205.80/11,170,808.70 = 2,660,300.20/x
  3. Step 3: Cross multiply
    7,447,205.80x = 11,170,808.70 × 2,660,300.20
  4. Step 4: Simplify right side
    7,447,205.80x = 29,717,704,618,771.74
  5. Step 5: Solve for x
    x = 29,717,704,618,771.74/7,447,205.80
  6. Step 6: Final answer
    x = 3,990,450.30

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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.