Home / 11,878,413.20-17,854,944.60-11,654,464.40

Finding the Fourth Proportional to 11,878,413.20, 17,854,944.60 and 11,654,464.40

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Solution

The fourth proportional to 11,878,413.20, 17,854,944.60 and 11,654,464.40 is: 17,518,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,413.20 : 17,854,944.60 = 11,654,464.40 : x
  2. Step 2: Convert to fraction form
    11,878,413.20/17,854,944.60 = 11,654,464.40/x
  3. Step 3: Cross multiply
    11,878,413.20x = 17,854,944.60 × 11,654,464.40
  4. Step 4: Simplify right side
    11,878,413.20x = 208,089,816,204,672.25
  5. Step 5: Solve for x
    x = 208,089,816,204,672.25/11,878,413.20
  6. Step 6: Final answer
    x = 17,518,317.70

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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.