Finding the Fourth Proportional to 19,536,241.47, 29,310,092.15 and 8,751,143.31
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Solution
The fourth proportional to 19,536,241.47, 29,310,092.15 and 8,751,143.31 is: 13,129,281.66
Step by Step Solution
- Step 1: Write the proportion equation
19,536,241.47 : 29,310,092.15 = 8,751,143.31 : x - Step 2: Convert to fraction form
19,536,241.47/29,310,092.15 = 8,751,143.31/x - Step 3: Cross multiply
19,536,241.47x = 29,310,092.15 × 8,751,143.31 - Step 4: Simplify right side
19,536,241.47x = 256,496,816,790,200.31 - Step 5: Solve for x
x = 256,496,816,790,200.31/19,536,241.47 - Step 6: Final answer
x = 13,129,281.66
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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.