Finding the Fourth Proportional to 50,310,965.10, 69,428,714.36 and 28,284,562.70
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Solution
The fourth proportional to 50,310,965.10, 69,428,714.36 and 28,284,562.70 is: 39,032,461.82
Step by Step Solution
- Step 1: Write the proportion equation
50,310,965.10 : 69,428,714.36 = 28,284,562.70 : x - Step 2: Convert to fraction form
50,310,965.10/69,428,714.36 = 28,284,562.70/x - Step 3: Cross multiply
50,310,965.10x = 69,428,714.36 × 28,284,562.70 - Step 4: Simplify right side
50,310,965.10x = 1,963,760,824,495,810.25 - Step 5: Solve for x
x = 1,963,760,824,495,810.25/50,310,965.10 - Step 6: Final answer
x = 39,032,461.82
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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.