Home / 8,320,413.60-12,480,620.40-4,063,312.80

Finding the Fourth Proportional to 8,320,413.60, 12,480,620.40 and 4,063,312.80

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Solution

The fourth proportional to 8,320,413.60, 12,480,620.40 and 4,063,312.80 is: 6,094,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,413.60 : 12,480,620.40 = 4,063,312.80 : x
  2. Step 2: Convert to fraction form
    8,320,413.60/12,480,620.40 = 4,063,312.80/x
  3. Step 3: Cross multiply
    8,320,413.60x = 12,480,620.40 × 4,063,312.80
  4. Step 4: Simplify right side
    8,320,413.60x = 50,712,664,623,261.12
  5. Step 5: Solve for x
    x = 50,712,664,623,261.12/8,320,413.60
  6. Step 6: Final answer
    x = 6,094,969.20

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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.