Home / 13,850,990.40-20,778,718.08-4,266,364.44

Finding the Fourth Proportional to 13,850,990.40, 20,778,718.08 and 4,266,364.44

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Solution

The fourth proportional to 13,850,990.40, 20,778,718.08 and 4,266,364.44 is: 6,400,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,990.40 : 20,778,718.08 = 4,266,364.44 : x
  2. Step 2: Convert to fraction form
    13,850,990.40/20,778,718.08 = 4,266,364.44/x
  3. Step 3: Cross multiply
    13,850,990.40x = 20,778,718.08 × 4,266,364.44
  4. Step 4: Simplify right side
    13,850,990.40x = 88,649,583,925,297.08
  5. Step 5: Solve for x
    x = 88,649,583,925,297.08/13,850,990.40
  6. Step 6: Final answer
    x = 6,400,234.31

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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.