Finding the Fourth Proportional to 13,192,473.40, 19,788,710.10 and 4,671,702.70
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Solution
The fourth proportional to 13,192,473.40, 19,788,710.10 and 4,671,702.70 is: 7,007,554.05
Step by Step Solution
- Step 1: Write the proportion equation
13,192,473.40 : 19,788,710.10 = 4,671,702.70 : x - Step 2: Convert to fraction form
13,192,473.40/19,788,710.10 = 4,671,702.70/x - Step 3: Cross multiply
13,192,473.40x = 19,788,710.10 × 4,671,702.70 - Step 4: Simplify right side
13,192,473.40x = 92,446,970,403,687.28 - Step 5: Solve for x
x = 92,446,970,403,687.28/13,192,473.40 - Step 6: Final answer
x = 7,007,554.05
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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.