Home / 8,020,413.20-12,030,619.80-6,130,845.20

Finding the Fourth Proportional to 8,020,413.20, 12,030,619.80 and 6,130,845.20

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Solution

The fourth proportional to 8,020,413.20, 12,030,619.80 and 6,130,845.20 is: 9,196,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,413.20 : 12,030,619.80 = 6,130,845.20 : x
  2. Step 2: Convert to fraction form
    8,020,413.20/12,030,619.80 = 6,130,845.20/x
  3. Step 3: Cross multiply
    8,020,413.20x = 12,030,619.80 × 6,130,845.20
  4. Step 4: Simplify right side
    8,020,413.20x = 73,757,867,653,854.97
  5. Step 5: Solve for x
    x = 73,757,867,653,854.97/8,020,413.20
  6. Step 6: Final answer
    x = 9,196,267.80

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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.