Finding the Fourth Proportional to 14,448,212.62, 19,938,381.41 and 7,921,825.94
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Solution
The fourth proportional to 14,448,212.62, 19,938,381.41 and 7,921,825.94 is: 10,932,036.46
Step by Step Solution
- Step 1: Write the proportion equation
14,448,212.62 : 19,938,381.41 = 7,921,825.94 : x - Step 2: Convert to fraction form
14,448,212.62/19,938,381.41 = 7,921,825.94/x - Step 3: Cross multiply
14,448,212.62x = 19,938,381.41 × 7,921,825.94 - Step 4: Simplify right side
14,448,212.62x = 157,948,387,125,002.31 - Step 5: Solve for x
x = 157,948,387,125,002.31/14,448,212.62 - Step 6: Final answer
x = 10,932,036.46
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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.