Home / 7,638,413.04-10,540,768.68-4,200,643.44

Finding the Fourth Proportional to 7,638,413.04, 10,540,768.68 and 4,200,643.44

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Solution

The fourth proportional to 7,638,413.04, 10,540,768.68 and 4,200,643.44 is: 5,796,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,413.04 : 10,540,768.68 = 4,200,643.44 : x
  2. Step 2: Convert to fraction form
    7,638,413.04/10,540,768.68 = 4,200,643.44/x
  3. Step 3: Cross multiply
    7,638,413.04x = 10,540,768.68 × 4,200,643.44
  4. Step 4: Simplify right side
    7,638,413.04x = 44,278,010,808,199.46
  5. Step 5: Solve for x
    x = 44,278,010,808,199.46/7,638,413.04
  6. Step 6: Final answer
    x = 5,796,755.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.