Home / 26,864,869.90-40,297,280.22-8,420,947.55

Finding the Fourth Proportional to 26,864,869.90, 40,297,280.22 and 8,420,947.55

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Solution

The fourth proportional to 26,864,869.90, 40,297,280.22 and 8,420,947.55 is: 12,631,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864,869.90 : 40,297,280.22 = 8,420,947.55 : x
  2. Step 2: Convert to fraction form
    26,864,869.90/40,297,280.22 = 8,420,947.55/x
  3. Step 3: Cross multiply
    26,864,869.90x = 40,297,280.22 × 8,420,947.55
  4. Step 4: Simplify right side
    26,864,869.90x = 339,341,283,140,272.50
  5. Step 5: Solve for x
    x = 339,341,283,140,272.50/26,864,869.90
  6. Step 6: Final answer
    x = 12,631,413.60

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1.5x scale

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.