Home / 13,349,413.20-20,029,368.60-5,261,012.40

Finding the Fourth Proportional to 13,349,413.20, 20,029,368.60 and 5,261,012.40

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Solution

The fourth proportional to 13,349,413.20, 20,029,368.60 and 5,261,012.40 is: 7,893,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,413.20 : 20,029,368.60 = 5,261,012.40 : x
  2. Step 2: Convert to fraction form
    13,349,413.20/20,029,368.60 = 5,261,012.40/x
  3. Step 3: Cross multiply
    13,349,413.20x = 20,029,368.60 × 5,261,012.40
  4. Step 4: Simplify right side
    13,349,413.20x = 105,374,756,568,770.66
  5. Step 5: Solve for x
    x = 105,374,756,568,770.66/13,349,413.20
  6. Step 6: Final answer
    x = 7,893,587.16

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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.