Finding the Fourth Proportional to 14,318,528.12, 19,760,219.49 and 8,438,410.48
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Solution
The fourth proportional to 14,318,528.12, 19,760,219.49 and 8,438,410.48 is: 11,645,389.93
Step by Step Solution
- Step 1: Write the proportion equation
14,318,528.12 : 19,760,219.49 = 8,438,410.48 : x - Step 2: Convert to fraction form
14,318,528.12/19,760,219.49 = 8,438,410.48/x - Step 3: Cross multiply
14,318,528.12x = 19,760,219.49 × 8,438,410.48 - Step 4: Simplify right side
14,318,528.12x = 166,744,843,182,115.69 - Step 5: Solve for x
x = 166,744,843,182,115.69/14,318,528.12 - Step 6: Final answer
x = 11,645,389.93
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1.5x scale
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.