Home / 15,500,413.60-23,240,122.80-7,921,146.40

Finding the Fourth Proportional to 15,500,413.60, 23,240,122.80 and 7,921,146.40

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Solution

The fourth proportional to 15,500,413.60, 23,240,122.80 and 7,921,146.40 is: 11,876,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500,413.60 : 23,240,122.80 = 7,921,146.40 : x
  2. Step 2: Convert to fraction form
    15,500,413.60/23,240,122.80 = 7,921,146.40/x
  3. Step 3: Cross multiply
    15,500,413.60x = 23,240,122.80 × 7,921,146.40
  4. Step 4: Simplify right side
    15,500,413.60x = 184,088,415,052,777.94
  5. Step 5: Solve for x
    x = 184,088,415,052,777.94/15,500,413.60
  6. Step 6: Final answer
    x = 11,876,355.03

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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.