Finding the Fourth Proportional to 30,585,025.22, 42,207,332.45 and 16,646,480.26
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Solution
The fourth proportional to 30,585,025.22, 42,207,332.45 and 16,646,480.26 is: 22,972,141.48
Step by Step Solution
- Step 1: Write the proportion equation
30,585,025.22 : 42,207,332.45 = 16,646,480.26 : x - Step 2: Convert to fraction form
30,585,025.22/42,207,332.45 = 16,646,480.26/x - Step 3: Cross multiply
30,585,025.22x = 42,207,332.45 × 16,646,480.26 - Step 4: Simplify right side
30,585,025.22x = 702,603,526,267,431.75 - Step 5: Solve for x
x = 702,603,526,267,431.75/30,585,025.22 - Step 6: Final answer
x = 22,972,141.48
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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.