Home / 10,894,522.80-16,306,354.80-8,485,323.60

Finding the Fourth Proportional to 10,894,522.80, 16,306,354.80 and 8,485,323.60

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Solution

The fourth proportional to 10,894,522.80, 16,306,354.80 and 8,485,323.60 is: 12,700,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894,522.80 : 16,306,354.80 = 8,485,323.60 : x
  2. Step 2: Convert to fraction form
    10,894,522.80/16,306,354.80 = 8,485,323.60/x
  3. Step 3: Cross multiply
    10,894,522.80x = 16,306,354.80 × 8,485,323.60
  4. Step 4: Simplify right side
    10,894,522.80x = 138,364,697,214,413.28
  5. Step 5: Solve for x
    x = 138,364,697,214,413.28/10,894,522.80
  6. Step 6: Final answer
    x = 12,700,390.81

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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.