Home / 12,636,275.40-18,954,413.10-6,245,205.30

Finding the Fourth Proportional to 12,636,275.40, 18,954,413.10 and 6,245,205.30

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Solution

The fourth proportional to 12,636,275.40, 18,954,413.10 and 6,245,205.30 is: 9,367,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,275.40 : 18,954,413.10 = 6,245,205.30 : x
  2. Step 2: Convert to fraction form
    12,636,275.40/18,954,413.10 = 6,245,205.30/x
  3. Step 3: Cross multiply
    12,636,275.40x = 18,954,413.10 × 6,245,205.30
  4. Step 4: Simplify right side
    12,636,275.40x = 118,374,201,150,509.44
  5. Step 5: Solve for x
    x = 118,374,201,150,509.44/12,636,275.40
  6. Step 6: Final answer
    x = 9,367,807.95

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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.