Home / 6,172,733.93-8,518,280.56-3,419,413.11

Finding the Fourth Proportional to 6,172,733.93, 8,518,280.56 and 3,419,413.11

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Solution

The fourth proportional to 6,172,733.93, 8,518,280.56 and 3,419,413.11 is: 4,718,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,733.93 : 8,518,280.56 = 3,419,413.11 : x
  2. Step 2: Convert to fraction form
    6,172,733.93/8,518,280.56 = 3,419,413.11/x
  3. Step 3: Cross multiply
    6,172,733.93x = 8,518,280.56 × 3,419,413.11
  4. Step 4: Simplify right side
    6,172,733.93x = 29,127,520,212,973.61
  5. Step 5: Solve for x
    x = 29,127,520,212,973.61/6,172,733.93
  6. Step 6: Final answer
    x = 4,718,738.98

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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.