Finding the Fourth Proportional to 39,193,017.12, 54,086,573.40 and 21,553,056.96
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Solution
The fourth proportional to 39,193,017.12, 54,086,573.40 and 21,553,056.96 is: 29,743,333.96
Step by Step Solution
- Step 1: Write the proportion equation
39,193,017.12 : 54,086,573.40 = 21,553,056.96 : x - Step 2: Convert to fraction form
39,193,017.12/54,086,573.40 = 21,553,056.96/x - Step 3: Cross multiply
39,193,017.12x = 54,086,573.40 × 21,553,056.96 - Step 4: Simplify right side
39,193,017.12x = 1,165,730,997,261,421 - Step 5: Solve for x
x = 1,165,730,997,261,421/39,193,017.12 - Step 6: Final answer
x = 29,743,333.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.