Finding the Fourth Proportional to 11,152,872.18, 15,390,971.19 and 6,257,418.48
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Solution
The fourth proportional to 11,152,872.18, 15,390,971.19 and 6,257,418.48 is: 8,635,241.76
Step by Step Solution
- Step 1: Write the proportion equation
11,152,872.18 : 15,390,971.19 = 6,257,418.48 : x - Step 2: Convert to fraction form
11,152,872.18/15,390,971.19 = 6,257,418.48/x - Step 3: Cross multiply
11,152,872.18x = 15,390,971.19 × 6,257,418.48 - Step 4: Simplify right side
11,152,872.18x = 96,307,747,549,453.59 - Step 5: Solve for x
x = 96,307,747,549,453.59/11,152,872.18 - Step 6: Final answer
x = 8,635,241.76
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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.