Home / 9,128,136.80-13,692,205.20-2,397,231.20

Finding the Fourth Proportional to 9,128,136.80, 13,692,205.20 and 2,397,231.20

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Solution

The fourth proportional to 9,128,136.80, 13,692,205.20 and 2,397,231.20 is: 3,595,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,136.80 : 13,692,205.20 = 2,397,231.20 : x
  2. Step 2: Convert to fraction form
    9,128,136.80/13,692,205.20 = 2,397,231.20/x
  3. Step 3: Cross multiply
    9,128,136.80x = 13,692,205.20 × 2,397,231.20
  4. Step 4: Simplify right side
    9,128,136.80x = 32,823,381,502,242.24
  5. Step 5: Solve for x
    x = 32,823,381,502,242.24/9,128,136.80
  6. Step 6: Final answer
    x = 3,595,846.80

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Similar ratio
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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.