Home / 21,463,414.80-32,196,677.40-12,925,366.80

Finding the Fourth Proportional to 21,463,414.80, 32,196,677.40 and 12,925,366.80

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Solution

The fourth proportional to 21,463,414.80, 32,196,677.40 and 12,925,366.80 is: 19,388,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,414.80 : 32,196,677.40 = 12,925,366.80 : x
  2. Step 2: Convert to fraction form
    21,463,414.80/32,196,677.40 = 12,925,366.80/x
  3. Step 3: Cross multiply
    21,463,414.80x = 32,196,677.40 × 12,925,366.80
  4. Step 4: Simplify right side
    21,463,414.80x = 416,153,865,136,270.31
  5. Step 5: Solve for x
    x = 416,153,865,136,270.31/21,463,414.80
  6. Step 6: Final answer
    x = 19,388,986.75

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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.