Finding the Fourth Proportional to 14,231,446.88, 19,637,889.71 and 8,036,118.06
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Solution
The fourth proportional to 14,231,446.88, 19,637,889.71 and 8,036,118.06 is: 11,088,991.97
Step by Step Solution
- Step 1: Write the proportion equation
14,231,446.88 : 19,637,889.71 = 8,036,118.06 : x - Step 2: Convert to fraction form
14,231,446.88/19,637,889.71 = 8,036,118.06/x - Step 3: Cross multiply
14,231,446.88x = 19,637,889.71 × 8,036,118.06 - Step 4: Simplify right side
14,231,446.88x = 157,812,400,122,817.59 - Step 5: Solve for x
x = 157,812,400,122,817.59/14,231,446.88 - Step 6: Final answer
x = 11,088,991.97
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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.