Finding the Fourth Proportional to 19,652,842.36, 27,122,940.66 and 11,814,892.12
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Solution
The fourth proportional to 19,652,842.36, 27,122,940.66 and 11,814,892.12 is: 16,305,764.43
Step by Step Solution
- Step 1: Write the proportion equation
19,652,842.36 : 27,122,940.66 = 11,814,892.12 : x - Step 2: Convert to fraction form
19,652,842.36/27,122,940.66 = 11,814,892.12/x - Step 3: Cross multiply
19,652,842.36x = 27,122,940.66 × 11,814,892.12 - Step 4: Simplify right side
19,652,842.36x = 320,454,617,875,061.56 - Step 5: Solve for x
x = 320,454,617,875,061.56/19,652,842.36 - Step 6: Final answer
x = 16,305,764.43
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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.