Home / 7,768,392.89-10,721,020.28-4,284,413.19

Finding the Fourth Proportional to 7,768,392.89, 10,721,020.28 and 4,284,413.19

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Solution

The fourth proportional to 7,768,392.89, 10,721,020.28 and 4,284,413.19 is: 5,912,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,392.89 : 10,721,020.28 = 4,284,413.19 : x
  2. Step 2: Convert to fraction form
    7,768,392.89/10,721,020.28 = 4,284,413.19/x
  3. Step 3: Cross multiply
    7,768,392.89x = 10,721,020.28 × 4,284,413.19
  4. Step 4: Simplify right side
    7,768,392.89x = 45,933,280,676,467.43
  5. Step 5: Solve for x
    x = 45,933,280,676,467.43/7,768,392.89
  6. Step 6: Final answer
    x = 5,912,842.12

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Double scale
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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.