Home / 9,198,613.88-12,693,515.09-5,068,413.89

Finding the Fourth Proportional to 9,198,613.88, 12,693,515.09 and 5,068,413.89

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Solution

The fourth proportional to 9,198,613.88, 12,693,515.09 and 5,068,413.89 is: 6,994,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,613.88 : 12,693,515.09 = 5,068,413.89 : x
  2. Step 2: Convert to fraction form
    9,198,613.88/12,693,515.09 = 5,068,413.89/x
  3. Step 3: Cross multiply
    9,198,613.88x = 12,693,515.09 × 5,068,413.89
  4. Step 4: Simplify right side
    9,198,613.88x = 64,335,988,106,270.95
  5. Step 5: Solve for x
    x = 64,335,988,106,270.95/9,198,613.88
  6. Step 6: Final answer
    x = 6,994,095.96

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1.5x scale

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.