Home / 21,463,396.80-32,196,650.40-12,925,348.80

Finding the Fourth Proportional to 21,463,396.80, 32,196,650.40 and 12,925,348.80

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Solution

The fourth proportional to 21,463,396.80, 32,196,650.40 and 12,925,348.80 is: 19,388,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,396.80 : 32,196,650.40 = 12,925,348.80 : x
  2. Step 2: Convert to fraction form
    21,463,396.80/32,196,650.40 = 12,925,348.80/x
  3. Step 3: Cross multiply
    21,463,396.80x = 32,196,650.40 × 12,925,348.80
  4. Step 4: Simplify right side
    21,463,396.80x = 416,152,936,611,659.50
  5. Step 5: Solve for x
    x = 416,152,936,611,659.50/21,463,396.80
  6. Step 6: Final answer
    x = 19,388,959.75

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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.