Finding the Fourth Proportional to 30,585,050.10, 42,207,366.74 and 16,646,505.08
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Solution
The fourth proportional to 30,585,050.10, 42,207,366.74 and 16,646,505.08 is: 22,972,175.70
Step by Step Solution
- Step 1: Write the proportion equation
30,585,050.10 : 42,207,366.74 = 16,646,505.08 : x - Step 2: Convert to fraction form
30,585,050.10/42,207,366.74 = 16,646,505.08/x - Step 3: Cross multiply
30,585,050.10x = 42,207,366.74 × 16,646,505.08 - Step 4: Simplify right side
30,585,050.10x = 702,605,144,556,563.62 - Step 5: Solve for x
x = 702,605,144,556,563.62/30,585,050.10 - Step 6: Final answer
x = 22,972,175.70
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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.