Home / 8,487,413.18-11,712,940.36-4,619,747.42

Finding the Fourth Proportional to 8,487,413.18, 11,712,940.36 and 4,619,747.42

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Solution

The fourth proportional to 8,487,413.18, 11,712,940.36 and 4,619,747.42 is: 6,375,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,413.18 : 11,712,940.36 = 4,619,747.42 : x
  2. Step 2: Convert to fraction form
    8,487,413.18/11,712,940.36 = 4,619,747.42/x
  3. Step 3: Cross multiply
    8,487,413.18x = 11,712,940.36 × 4,619,747.42
  4. Step 4: Simplify right side
    8,487,413.18x = 54,110,825,938,609.80
  5. Step 5: Solve for x
    x = 54,110,825,938,609.80/8,487,413.18
  6. Step 6: Final answer
    x = 6,375,420.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.