Finding the Fourth Proportional to 30,588,538.48, 42,213,296.99 and 16,649,220.37
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Solution
The fourth proportional to 30,588,538.48, 42,213,296.99 and 16,649,220.37 is: 22,976,530.39
Step by Step Solution
- Step 1: Write the proportion equation
30,588,538.48 : 42,213,296.99 = 16,649,220.37 : x - Step 2: Convert to fraction form
30,588,538.48/42,213,296.99 = 16,649,220.37/x - Step 3: Cross multiply
30,588,538.48x = 42,213,296.99 × 16,649,220.37 - Step 4: Simplify right side
30,588,538.48x = 702,818,483,836,455.12 - Step 5: Solve for x
x = 702,818,483,836,455.12/30,588,538.48 - Step 6: Final answer
x = 22,976,530.39
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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.