Home / 8,986,413.40-13,479,620.10-3,947,565.40

Finding the Fourth Proportional to 8,986,413.40, 13,479,620.10 and 3,947,565.40

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Solution

The fourth proportional to 8,986,413.40, 13,479,620.10 and 3,947,565.40 is: 5,921,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,413.40 : 13,479,620.10 = 3,947,565.40 : x
  2. Step 2: Convert to fraction form
    8,986,413.40/13,479,620.10 = 3,947,565.40/x
  3. Step 3: Cross multiply
    8,986,413.40x = 13,479,620.10 × 3,947,565.40
  4. Step 4: Simplify right side
    8,986,413.40x = 53,211,681,911,904.54
  5. Step 5: Solve for x
    x = 53,211,681,911,904.54/8,986,413.40
  6. Step 6: Final answer
    x = 5,921,348.10

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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.