Finding the Fourth Proportional to 18,348,021.70, 27,515,034.15 and 5,564,277.70
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Solution
The fourth proportional to 18,348,021.70, 27,515,034.15 and 5,564,277.70 is: 8,344,294.19
Step by Step Solution
- Step 1: Write the proportion equation
18,348,021.70 : 27,515,034.15 = 5,564,277.70 : x - Step 2: Convert to fraction form
18,348,021.70/27,515,034.15 = 5,564,277.70/x - Step 3: Cross multiply
18,348,021.70x = 27,515,034.15 × 5,564,277.70 - Step 4: Simplify right side
18,348,021.70x = 153,101,290,935,583.44 - Step 5: Solve for x
x = 153,101,290,935,583.44/18,348,021.70 - Step 6: Final answer
x = 8,344,294.19
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1.5x scale
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.