Finding the Fourth Proportional to 13,993,902.52, 20,943,452.54 and 8,605,970.44
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Solution
The fourth proportional to 13,993,902.52, 20,943,452.54 and 8,605,970.44 is: 12,879,804.84
Step by Step Solution
- Step 1: Write the proportion equation
13,993,902.52 : 20,943,452.54 = 8,605,970.44 : x - Step 2: Convert to fraction form
13,993,902.52/20,943,452.54 = 8,605,970.44/x - Step 3: Cross multiply
13,993,902.52x = 20,943,452.54 × 8,605,970.44 - Step 4: Simplify right side
13,993,902.52x = 180,238,733,470,782.91 - Step 5: Solve for x
x = 180,238,733,470,782.91/13,993,902.52 - Step 6: Final answer
x = 12,879,804.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.