Home / 8,038,803.60-12,058,205.40-2,989,069.20

Finding the Fourth Proportional to 8,038,803.60, 12,058,205.40 and 2,989,069.20

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Solution

The fourth proportional to 8,038,803.60, 12,058,205.40 and 2,989,069.20 is: 4,483,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038,803.60 : 12,058,205.40 = 2,989,069.20 : x
  2. Step 2: Convert to fraction form
    8,038,803.60/12,058,205.40 = 2,989,069.20/x
  3. Step 3: Cross multiply
    8,038,803.60x = 12,058,205.40 × 2,989,069.20
  4. Step 4: Simplify right side
    8,038,803.60x = 36,042,810,368,413.68
  5. Step 5: Solve for x
    x = 36,042,810,368,413.68/8,038,803.60
  6. Step 6: Final answer
    x = 4,483,603.80

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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.