Home / 13,037,136.80-19,555,705.20-8,187,245.60

Finding the Fourth Proportional to 13,037,136.80, 19,555,705.20 and 8,187,245.60

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Solution

The fourth proportional to 13,037,136.80, 19,555,705.20 and 8,187,245.60 is: 12,280,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,136.80 : 19,555,705.20 = 8,187,245.60 : x
  2. Step 2: Convert to fraction form
    13,037,136.80/19,555,705.20 = 8,187,245.60/x
  3. Step 3: Cross multiply
    13,037,136.80x = 19,555,705.20 × 8,187,245.60
  4. Step 4: Simplify right side
    13,037,136.80x = 160,107,361,353,597.09
  5. Step 5: Solve for x
    x = 160,107,361,353,597.09/13,037,136.80
  6. Step 6: Final answer
    x = 12,280,868.40

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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.