Home / 7,280,442.80-10,920,664.20-2,487,413.60

Finding the Fourth Proportional to 7,280,442.80, 10,920,664.20 and 2,487,413.60

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Solution

The fourth proportional to 7,280,442.80, 10,920,664.20 and 2,487,413.60 is: 3,731,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,442.80 : 10,920,664.20 = 2,487,413.60 : x
  2. Step 2: Convert to fraction form
    7,280,442.80/10,920,664.20 = 2,487,413.60/x
  3. Step 3: Cross multiply
    7,280,442.80x = 10,920,664.20 × 2,487,413.60
  4. Step 4: Simplify right side
    7,280,442.80x = 27,164,208,652,113.12
  5. Step 5: Solve for x
    x = 27,164,208,652,113.12/7,280,442.80
  6. Step 6: Final answer
    x = 3,731,120.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.