Finding the Fourth Proportional to 10,889,582.16, 16,334,823.97 and 3,213,226.97
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Solution
The fourth proportional to 10,889,582.16, 16,334,823.97 and 3,213,226.97 is: 4,819,973.45
Step by Step Solution
- Step 1: Write the proportion equation
10,889,582.16 : 16,334,823.97 = 3,213,226.97 : x - Step 2: Convert to fraction form
10,889,582.16/16,334,823.97 = 3,213,226.97/x - Step 3: Cross multiply
10,889,582.16x = 16,334,823.97 × 3,213,226.97 - Step 4: Simplify right side
10,889,582.16x = 52,487,496,905,168.88 - Step 5: Solve for x
x = 52,487,496,905,168.88/10,889,582.16 - Step 6: Final answer
x = 4,819,973.45
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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.