Finding the Fourth Proportional to 8,145,647.82, 12,221,125.29 and 3,885,261.66
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Solution
The fourth proportional to 8,145,647.82, 12,221,125.29 and 3,885,261.66 is: 5,829,158.17
Step by Step Solution
- Step 1: Write the proportion equation
8,145,647.82 : 12,221,125.29 = 3,885,261.66 : x - Step 2: Convert to fraction form
8,145,647.82/12,221,125.29 = 3,885,261.66/x - Step 3: Cross multiply
8,145,647.82x = 12,221,125.29 × 3,885,261.66 - Step 4: Simplify right side
8,145,647.82x = 47,482,269,531,293.38 - Step 5: Solve for x
x = 47,482,269,531,293.38/8,145,647.82 - Step 6: Final answer
x = 5,829,158.17
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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.