Home / 13,773,090.90-20,660,413.95-4,188,782.10

Finding the Fourth Proportional to 13,773,090.90, 20,660,413.95 and 4,188,782.10

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Solution

The fourth proportional to 13,773,090.90, 20,660,413.95 and 4,188,782.10 is: 6,283,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773,090.90 : 20,660,413.95 = 4,188,782.10 : x
  2. Step 2: Convert to fraction form
    13,773,090.90/20,660,413.95 = 4,188,782.10/x
  3. Step 3: Cross multiply
    13,773,090.90x = 20,660,413.95 × 4,188,782.10
  4. Step 4: Simplify right side
    13,773,090.90x = 86,541,972,132,350.30
  5. Step 5: Solve for x
    x = 86,541,972,132,350.30/13,773,090.90
  6. Step 6: Final answer
    x = 6,283,409.64

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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.