Finding the Fourth Proportional to 15,311,093.92, 21,129,297.98 and 8,435,575.98
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Solution
The fourth proportional to 15,311,093.92, 21,129,297.98 and 8,435,575.98 is: 11,641,088.44
Step by Step Solution
- Step 1: Write the proportion equation
15,311,093.92 : 21,129,297.98 = 8,435,575.98 : x - Step 2: Convert to fraction form
15,311,093.92/21,129,297.98 = 8,435,575.98/x - Step 3: Cross multiply
15,311,093.92x = 21,129,297.98 × 8,435,575.98 - Step 4: Simplify right side
15,311,093.92x = 178,237,798,472,172.66 - Step 5: Solve for x
x = 178,237,798,472,172.66/15,311,093.92 - Step 6: Final answer
x = 11,641,088.44
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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.