Finding the Fourth Proportional to 15,496,699.68, 21,385,639.04 and 8,528,178.96
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Solution
The fourth proportional to 15,496,699.68, 21,385,639.04 and 8,528,178.96 is: 11,768,993.44
Step by Step Solution
- Step 1: Write the proportion equation
15,496,699.68 : 21,385,639.04 = 8,528,178.96 : x - Step 2: Convert to fraction form
15,496,699.68/21,385,639.04 = 8,528,178.96/x - Step 3: Cross multiply
15,496,699.68x = 21,385,639.04 × 8,528,178.96 - Step 4: Simplify right side
15,496,699.68x = 182,380,556,864,441.72 - Step 5: Solve for x
x = 182,380,556,864,441.72/15,496,699.68 - Step 6: Final answer
x = 11,768,993.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.