Finding the Fourth Proportional to 7,319,988.66, 10,914,540.24 and 7,118,877.11
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Solution
The fourth proportional to 7,319,988.66, 10,914,540.24 and 7,118,877.11 is: 10,614,670.90
Step by Step Solution
- Step 1: Write the proportion equation
7,319,988.66 : 10,914,540.24 = 7,118,877.11 : x - Step 2: Convert to fraction form
7,319,988.66/10,914,540.24 = 7,118,877.11/x - Step 3: Cross multiply
7,319,988.66x = 10,914,540.24 × 7,118,877.11 - Step 4: Simplify right side
7,319,988.66x = 77,699,270,652,833 - Step 5: Solve for x
x = 77,699,270,652,833/7,319,988.66 - Step 6: Final answer
x = 10,614,670.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.