Finding the Fourth Proportional to 9,414,344.34, 12,990,755.58 and 5,283,427.98
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Solution
The fourth proportional to 9,414,344.34, 12,990,755.58 and 5,283,427.98 is: 7,290,547.17
Step by Step Solution
- Step 1: Write the proportion equation
9,414,344.34 : 12,990,755.58 = 5,283,427.98 : x - Step 2: Convert to fraction form
9,414,344.34/12,990,755.58 = 5,283,427.98/x - Step 3: Cross multiply
9,414,344.34x = 12,990,755.58 × 5,283,427.98 - Step 4: Simplify right side
9,414,344.34x = 68,635,721,512,713.13 - Step 5: Solve for x
x = 68,635,721,512,713.13/9,414,344.34 - Step 6: Final answer
x = 7,290,547.17
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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.