Finding the Fourth Proportional to 21,089,438.84, 31,633,862.94 and 8,310,054.26
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Solution
The fourth proportional to 21,089,438.84, 31,633,862.94 and 8,310,054.26 is: 12,464,965.02
Step by Step Solution
- Step 1: Write the proportion equation
21,089,438.84 : 31,633,862.94 = 8,310,054.26 : x - Step 2: Convert to fraction form
21,089,438.84/31,633,862.94 = 8,310,054.26/x - Step 3: Cross multiply
21,089,438.84x = 31,633,862.94 × 8,310,054.26 - Step 4: Simplify right side
21,089,438.84x = 262,879,117,484,803.12 - Step 5: Solve for x
x = 262,879,117,484,803.12/21,089,438.84 - Step 6: Final answer
x = 12,464,965.02
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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.