Finding the Fourth Proportional to 8,432,076.24, 11,637,643.08 and 5,170,686
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Solution
The fourth proportional to 8,432,076.24, 11,637,643.08 and 5,170,686 is: 7,136,391.61
Step by Step Solution
- Step 1: Write the proportion equation
8,432,076.24 : 11,637,643.08 = 5,170,686 : x - Step 2: Convert to fraction form
8,432,076.24/11,637,643.08 = 5,170,686/x - Step 3: Cross multiply
8,432,076.24x = 11,637,643.08 × 5,170,686 - Step 4: Simplify right side
8,432,076.24x = 60,174,598,146,752.88 - Step 5: Solve for x
x = 60,174,598,146,752.88/8,432,076.24 - Step 6: Final answer
x = 7,136,391.61
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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.