Finding the Fourth Proportional to 11,165,558.35, 15,411,811.94 and 6,520,596.34
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Solution
The fourth proportional to 11,165,558.35, 15,411,811.94 and 6,520,596.34 is: 9,000,374.31
Step by Step Solution
- Step 1: Write the proportion equation
11,165,558.35 : 15,411,811.94 = 6,520,596.34 : x - Step 2: Convert to fraction form
11,165,558.35/15,411,811.94 = 6,520,596.34/x - Step 3: Cross multiply
11,165,558.35x = 15,411,811.94 × 6,520,596.34 - Step 4: Simplify right side
11,165,558.35x = 100,494,204,528,732.30 - Step 5: Solve for x
x = 100,494,204,528,732.30/11,165,558.35 - Step 6: Final answer
x = 9,000,374.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.