Home / 9,869,413.20-14,804,119.80-3,138,507.60

Finding the Fourth Proportional to 9,869,413.20, 14,804,119.80 and 3,138,507.60

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Solution

The fourth proportional to 9,869,413.20, 14,804,119.80 and 3,138,507.60 is: 4,707,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,413.20 : 14,804,119.80 = 3,138,507.60 : x
  2. Step 2: Convert to fraction form
    9,869,413.20/14,804,119.80 = 3,138,507.60/x
  3. Step 3: Cross multiply
    9,869,413.20x = 14,804,119.80 × 3,138,507.60
  4. Step 4: Simplify right side
    9,869,413.20x = 46,462,842,503,610.48
  5. Step 5: Solve for x
    x = 46,462,842,503,610.48/9,869,413.20
  6. Step 6: Final answer
    x = 4,707,761.40

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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.