Home / 20,658,413.60-30,987,620.40-11,092,475.60

Finding the Fourth Proportional to 20,658,413.60, 30,987,620.40 and 11,092,475.60

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Solution

The fourth proportional to 20,658,413.60, 30,987,620.40 and 11,092,475.60 is: 16,638,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,413.60 : 30,987,620.40 = 11,092,475.60 : x
  2. Step 2: Convert to fraction form
    20,658,413.60/30,987,620.40 = 11,092,475.60/x
  3. Step 3: Cross multiply
    20,658,413.60x = 30,987,620.40 × 11,092,475.60
  4. Step 4: Simplify right side
    20,658,413.60x = 343,729,423,189,062.19
  5. Step 5: Solve for x
    x = 343,729,423,189,062.19/20,658,413.60
  6. Step 6: Final answer
    x = 16,638,713.40

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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.