Finding the Fourth Proportional to 17,678,268.65, 26,521,392.65 and 5,383,331.84
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Solution
The fourth proportional to 17,678,268.65, 26,521,392.65 and 5,383,331.84 is: 8,076,212.68
Step by Step Solution
- Step 1: Write the proportion equation
17,678,268.65 : 26,521,392.65 = 5,383,331.84 : x - Step 2: Convert to fraction form
17,678,268.65/26,521,392.65 = 5,383,331.84/x - Step 3: Cross multiply
17,678,268.65x = 26,521,392.65 × 5,383,331.84 - Step 4: Simplify right side
17,678,268.65x = 142,773,457,334,363.34 - Step 5: Solve for x
x = 142,773,457,334,363.34/17,678,268.65 - Step 6: Final answer
x = 8,076,212.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.