Finding the Fourth Proportional to 7,576,362.42, 10,455,208.29 and 4,138,618.74
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Solution
The fourth proportional to 7,576,362.42, 10,455,208.29 and 4,138,618.74 is: 5,711,199.99
Step by Step Solution
- Step 1: Write the proportion equation
7,576,362.42 : 10,455,208.29 = 4,138,618.74 : x - Step 2: Convert to fraction form
7,576,362.42/10,455,208.29 = 4,138,618.74/x - Step 3: Cross multiply
7,576,362.42x = 10,455,208.29 × 4,138,618.74 - Step 4: Simplify right side
7,576,362.42x = 43,270,120,959,597.35 - Step 5: Solve for x
x = 43,270,120,959,597.35/7,576,362.42 - Step 6: Final answer
x = 5,711,199.99
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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.