Home / 20,267,768.11-30,431,988.59-17,543,763.93

Finding the Fourth Proportional to 20,267,768.11, 30,431,988.59 and 17,543,763.93

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Solution

The fourth proportional to 20,267,768.11, 30,431,988.59 and 17,543,763.93 is: 26,341,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,768.11 : 30,431,988.59 = 17,543,763.93 : x
  2. Step 2: Convert to fraction form
    20,267,768.11/30,431,988.59 = 17,543,763.93/x
  3. Step 3: Cross multiply
    20,267,768.11x = 30,431,988.59 × 17,543,763.93
  4. Step 4: Simplify right side
    20,267,768.11x = 533,891,623,743,413.56
  5. Step 5: Solve for x
    x = 533,891,623,743,413.56/20,267,768.11
  6. Step 6: Final answer
    x = 26,341,905.08

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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.