Home / 12,648,631.86-17,455,117.82-6,847,413.61

Finding the Fourth Proportional to 12,648,631.86, 17,455,117.82 and 6,847,413.61

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Solution

The fourth proportional to 12,648,631.86, 17,455,117.82 and 6,847,413.61 is: 9,449,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,631.86 : 17,455,117.82 = 6,847,413.61 : x
  2. Step 2: Convert to fraction form
    12,648,631.86/17,455,117.82 = 6,847,413.61/x
  3. Step 3: Cross multiply
    12,648,631.86x = 17,455,117.82 × 6,847,413.61
  4. Step 4: Simplify right side
    12,648,631.86x = 119,522,411,290,584.48
  5. Step 5: Solve for x
    x = 119,522,411,290,584.48/12,648,631.86
  6. Step 6: Final answer
    x = 9,449,433.95

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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.