Home / 25,643,608.80-38,465,413.20-7,692,712.80

Finding the Fourth Proportional to 25,643,608.80, 38,465,413.20 and 7,692,712.80

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Solution

The fourth proportional to 25,643,608.80, 38,465,413.20 and 7,692,712.80 is: 11,539,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643,608.80 : 38,465,413.20 = 7,692,712.80 : x
  2. Step 2: Convert to fraction form
    25,643,608.80/38,465,413.20 = 7,692,712.80/x
  3. Step 3: Cross multiply
    25,643,608.80x = 38,465,413.20 × 7,692,712.80
  4. Step 4: Simplify right side
    25,643,608.80x = 295,903,376,480,929
  5. Step 5: Solve for x
    x = 295,903,376,480,929/25,643,608.80
  6. Step 6: Final answer
    x = 11,539,069.20

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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.