Home / 8,380,129.10-12,563,413.27-2,619,899.15

Finding the Fourth Proportional to 8,380,129.10, 12,563,413.27 and 2,619,899.15

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Solution

The fourth proportional to 8,380,129.10, 12,563,413.27 and 2,619,899.15 is: 3,927,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,129.10 : 12,563,413.27 = 2,619,899.15 : x
  2. Step 2: Convert to fraction form
    8,380,129.10/12,563,413.27 = 2,619,899.15/x
  3. Step 3: Cross multiply
    8,380,129.10x = 12,563,413.27 × 2,619,899.15
  4. Step 4: Simplify right side
    8,380,129.10x = 32,914,875,772,030.50
  5. Step 5: Solve for x
    x = 32,914,875,772,030.50/8,380,129.10
  6. Step 6: Final answer
    x = 3,927,728.96

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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.