Finding the Fourth Proportional to 30,585,026.84, 42,207,334.68 and 16,646,481.88
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Solution
The fourth proportional to 30,585,026.84, 42,207,334.68 and 16,646,481.88 is: 22,972,143.71
Step by Step Solution
- Step 1: Write the proportion equation
30,585,026.84 : 42,207,334.68 = 16,646,481.88 : x - Step 2: Convert to fraction form
30,585,026.84/42,207,334.68 = 16,646,481.88/x - Step 3: Cross multiply
30,585,026.84x = 42,207,334.68 × 16,646,481.88 - Step 4: Simplify right side
30,585,026.84x = 702,603,631,953,715.62 - Step 5: Solve for x
x = 702,603,631,953,715.62/30,585,026.84 - Step 6: Final answer
x = 22,972,143.71
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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.