Home / 17,521,771.80-26,282,657.70-12,419,938.20

Finding the Fourth Proportional to 17,521,771.80, 26,282,657.70 and 12,419,938.20

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Solution

The fourth proportional to 17,521,771.80, 26,282,657.70 and 12,419,938.20 is: 18,629,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521,771.80 : 26,282,657.70 = 12,419,938.20 : x
  2. Step 2: Convert to fraction form
    17,521,771.80/26,282,657.70 = 12,419,938.20/x
  3. Step 3: Cross multiply
    17,521,771.80x = 26,282,657.70 × 12,419,938.20
  4. Step 4: Simplify right side
    17,521,771.80x = 326,428,984,365,754.12
  5. Step 5: Solve for x
    x = 326,428,984,365,754.12/17,521,771.80
  6. Step 6: Final answer
    x = 18,629,907.30

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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.