Finding the Fourth Proportional to 62,887,231.64, 86,788,343.76 and 38,109,585.08
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Solution
The fourth proportional to 62,887,231.64, 86,788,343.76 and 38,109,585.08 is: 52,593,629.65
Step by Step Solution
- Step 1: Write the proportion equation
62,887,231.64 : 86,788,343.76 = 38,109,585.08 : x - Step 2: Convert to fraction form
62,887,231.64/86,788,343.76 = 38,109,585.08/x - Step 3: Cross multiply
62,887,231.64x = 86,788,343.76 × 38,109,585.08 - Step 4: Simplify right side
62,887,231.64x = 3,307,467,770,474,007 - Step 5: Solve for x
x = 3,307,467,770,474,007/62,887,231.64 - Step 6: Final answer
x = 52,593,629.65
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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.