Home / 8,887,413.90-13,331,120.85-8,194,572.30

Finding the Fourth Proportional to 8,887,413.90, 13,331,120.85 and 8,194,572.30

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Solution

The fourth proportional to 8,887,413.90, 13,331,120.85 and 8,194,572.30 is: 12,291,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887,413.90 : 13,331,120.85 = 8,194,572.30 : x
  2. Step 2: Convert to fraction form
    8,887,413.90/13,331,120.85 = 8,194,572.30/x
  3. Step 3: Cross multiply
    8,887,413.90x = 13,331,120.85 × 8,194,572.30
  4. Step 4: Simplify right side
    8,887,413.90x = 109,242,833,645,362.45
  5. Step 5: Solve for x
    x = 109,242,833,645,362.45/8,887,413.90
  6. Step 6: Final answer
    x = 12,291,858.45

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Double scale
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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.