Home / 8,085,673.60-12,134,848.80-5,640,928.48

Finding the Fourth Proportional to 8,085,673.60, 12,134,848.80 and 5,640,928.48

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Solution

The fourth proportional to 8,085,673.60, 12,134,848.80 and 5,640,928.48 is: 8,465,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,673.60 : 12,134,848.80 = 5,640,928.48 : x
  2. Step 2: Convert to fraction form
    8,085,673.60/12,134,848.80 = 5,640,928.48/x
  3. Step 3: Cross multiply
    8,085,673.60x = 12,134,848.80 × 5,640,928.48
  4. Step 4: Simplify right side
    8,085,673.60x = 68,451,814,196,413.84
  5. Step 5: Solve for x
    x = 68,451,814,196,413.84/8,085,673.60
  6. Step 6: Final answer
    x = 8,465,814.67

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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.