Finding the Fourth Proportional to 10,304,828.93, 14,220,108.87 and 5,720,855.06
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Solution
The fourth proportional to 10,304,828.93, 14,220,108.87 and 5,720,855.06 is: 7,894,471.84
Step by Step Solution
- Step 1: Write the proportion equation
10,304,828.93 : 14,220,108.87 = 5,720,855.06 : x - Step 2: Convert to fraction form
10,304,828.93/14,220,108.87 = 5,720,855.06/x - Step 3: Cross multiply
10,304,828.93x = 14,220,108.87 × 5,720,855.06 - Step 4: Simplify right side
10,304,828.93x = 81,351,181,796,787.45 - Step 5: Solve for x
x = 81,351,181,796,787.45/10,304,828.93 - Step 6: Final answer
x = 7,894,471.84
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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.