Home / 8,854,413.80-13,281,620.70-7,258,778.60

Finding the Fourth Proportional to 8,854,413.80, 13,281,620.70 and 7,258,778.60

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Solution

The fourth proportional to 8,854,413.80, 13,281,620.70 and 7,258,778.60 is: 10,888,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854,413.80 : 13,281,620.70 = 7,258,778.60 : x
  2. Step 2: Convert to fraction form
    8,854,413.80/13,281,620.70 = 7,258,778.60/x
  3. Step 3: Cross multiply
    8,854,413.80x = 13,281,620.70 × 7,258,778.60
  4. Step 4: Simplify right side
    8,854,413.80x = 96,408,344,110,477.02
  5. Step 5: Solve for x
    x = 96,408,344,110,477.02/8,854,413.80
  6. Step 6: Final answer
    x = 10,888,167.90

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Similar ratio
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1.5x scale

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.