Finding the Fourth Proportional to 7,434,916.88, 11,144,702.98 and 3,119,473.08
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Solution
The fourth proportional to 7,434,916.88, 11,144,702.98 and 3,119,473.08 is: 4,675,990.53
Step by Step Solution
- Step 1: Write the proportion equation
7,434,916.88 : 11,144,702.98 = 3,119,473.08 : x - Step 2: Convert to fraction form
7,434,916.88/11,144,702.98 = 3,119,473.08/x - Step 3: Cross multiply
7,434,916.88x = 11,144,702.98 × 3,119,473.08 - Step 4: Simplify right side
7,434,916.88x = 34,765,600,930,705.78 - Step 5: Solve for x
x = 34,765,600,930,705.78/7,434,916.88 - Step 6: Final answer
x = 4,675,990.53
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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.