Home / 12,175,830.02-16,794,552.93-7,830,413.30

Finding the Fourth Proportional to 12,175,830.02, 16,794,552.93 and 7,830,413.30

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Solution

The fourth proportional to 12,175,830.02, 16,794,552.93 and 7,830,413.30 is: 10,800,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175,830.02 : 16,794,552.93 = 7,830,413.30 : x
  2. Step 2: Convert to fraction form
    12,175,830.02/16,794,552.93 = 7,830,413.30/x
  3. Step 3: Cross multiply
    12,175,830.02x = 16,794,552.93 × 7,830,413.30
  4. Step 4: Simplify right side
    12,175,830.02x = 131,508,290,630,625.97
  5. Step 5: Solve for x
    x = 131,508,290,630,625.97/12,175,830.02
  6. Step 6: Final answer
    x = 10,800,765.98

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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.