Finding the Fourth Proportional to 19,405,181.80, 29,103,690.30 and 9,811,541.80
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Solution
The fourth proportional to 19,405,181.80, 29,103,690.30 and 9,811,541.80 is: 14,715,248.58
Step by Step Solution
- Step 1: Write the proportion equation
19,405,181.80 : 29,103,690.30 = 9,811,541.80 : x - Step 2: Convert to fraction form
19,405,181.80/29,103,690.30 = 9,811,541.80/x - Step 3: Cross multiply
19,405,181.80x = 29,103,690.30 × 9,811,541.80 - Step 4: Simplify right side
19,405,181.80x = 285,552,073,912,704.56 - Step 5: Solve for x
x = 285,552,073,912,704.56/19,405,181.80 - Step 6: Final answer
x = 14,715,248.58
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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.