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Finding the Fourth Proportional to 16,796,522.80, 25,194,784.20 and 13,437,290.80

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Solution

The fourth proportional to 16,796,522.80, 25,194,784.20 and 13,437,290.80 is: 20,155,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,796,522.80 : 25,194,784.20 = 13,437,290.80 : x
  2. Step 2: Convert to fraction form
    16,796,522.80/25,194,784.20 = 13,437,290.80/x
  3. Step 3: Cross multiply
    16,796,522.80x = 25,194,784.20 × 13,437,290.80
  4. Step 4: Simplify right side
    16,796,522.80x = 338,549,641,938,645.38
  5. Step 5: Solve for x
    x = 338,549,641,938,645.38/16,796,522.80
  6. Step 6: Final answer
    x = 20,155,936.20

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Similar ratio
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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.