Home / 8,515,413.40-12,773,120.10-5,492,104.60

Finding the Fourth Proportional to 8,515,413.40, 12,773,120.10 and 5,492,104.60

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Solution

The fourth proportional to 8,515,413.40, 12,773,120.10 and 5,492,104.60 is: 8,238,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,413.40 : 12,773,120.10 = 5,492,104.60 : x
  2. Step 2: Convert to fraction form
    8,515,413.40/12,773,120.10 = 5,492,104.60/x
  3. Step 3: Cross multiply
    8,515,413.40x = 12,773,120.10 × 5,492,104.60
  4. Step 4: Simplify right side
    8,515,413.40x = 70,151,311,657,562.45
  5. Step 5: Solve for x
    x = 70,151,311,657,562.45/8,515,413.40
  6. Step 6: Final answer
    x = 8,238,156.90

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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.