Finding the Fourth Proportional to 51,752,662.62, 71,418,873.87 and 28,547,455.38
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Solution
The fourth proportional to 51,752,662.62, 71,418,873.87 and 28,547,455.38 is: 39,395,598.45
Step by Step Solution
- Step 1: Write the proportion equation
51,752,662.62 : 71,418,873.87 = 28,547,455.38 : x - Step 2: Convert to fraction form
51,752,662.62/71,418,873.87 = 28,547,455.38/x - Step 3: Cross multiply
51,752,662.62x = 71,418,873.87 × 28,547,455.38 - Step 4: Simplify right side
51,752,662.62x = 2,038,827,115,093,673 - Step 5: Solve for x
x = 2,038,827,115,093,673/51,752,662.62 - Step 6: Final answer
x = 39,395,598.45
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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.