Finding the Fourth Proportional to 11,788,312.32, 16,267,708.80 and 6,631,672.32
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Solution
The fourth proportional to 11,788,312.32, 16,267,708.80 and 6,631,672.32 is: 9,151,616.55
Step by Step Solution
- Step 1: Write the proportion equation
11,788,312.32 : 16,267,708.80 = 6,631,672.32 : x - Step 2: Convert to fraction form
11,788,312.32/16,267,708.80 = 6,631,672.32/x - Step 3: Cross multiply
11,788,312.32x = 16,267,708.80 × 6,631,672.32 - Step 4: Simplify right side
11,788,312.32x = 107,882,114,158,780.42 - Step 5: Solve for x
x = 107,882,114,158,780.42/11,788,312.32 - Step 6: Final answer
x = 9,151,616.55
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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.