Finding the Fourth Proportional to 14,306,956.53, 19,743,414.29 and 7,780,447.04
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Solution
The fourth proportional to 14,306,956.53, 19,743,414.29 and 7,780,447.04 is: 10,736,915.91
Step by Step Solution
- Step 1: Write the proportion equation
14,306,956.53 : 19,743,414.29 = 7,780,447.04 : x - Step 2: Convert to fraction form
14,306,956.53/19,743,414.29 = 7,780,447.04/x - Step 3: Cross multiply
14,306,956.53x = 19,743,414.29 × 7,780,447.04 - Step 4: Simplify right side
14,306,956.53x = 153,612,589,163,681.56 - Step 5: Solve for x
x = 153,612,589,163,681.56/14,306,956.53 - Step 6: Final answer
x = 10,736,915.91
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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.