Finding the Fourth Proportional to 29,682,316.09, 40,965,920.54 and 16,630,457.23
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Solution
The fourth proportional to 29,682,316.09, 40,965,920.54 and 16,630,457.23 is: 22,952,453.82
Step by Step Solution
- Step 1: Write the proportion equation
29,682,316.09 : 40,965,920.54 = 16,630,457.23 : x - Step 2: Convert to fraction form
29,682,316.09/40,965,920.54 = 16,630,457.23/x - Step 3: Cross multiply
29,682,316.09x = 40,965,920.54 × 16,630,457.23 - Step 4: Simplify right side
29,682,316.09x = 681,281,989,428,048.50 - Step 5: Solve for x
x = 681,281,989,428,048.50/29,682,316.09 - Step 6: Final answer
x = 22,952,453.82
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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.