Finding the Fourth Proportional to 13,960,212.30, 19,266,256.44 and 7,766,425.80
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Solution
The fourth proportional to 13,960,212.30, 19,266,256.44 and 7,766,425.80 is: 10,718,314.87
Step by Step Solution
- Step 1: Write the proportion equation
13,960,212.30 : 19,266,256.44 = 7,766,425.80 : x - Step 2: Convert to fraction form
13,960,212.30/19,266,256.44 = 7,766,425.80/x - Step 3: Cross multiply
13,960,212.30x = 19,266,256.44 × 7,766,425.80 - Step 4: Simplify right side
13,960,212.30x = 149,629,951,085,032.16 - Step 5: Solve for x
x = 149,629,951,085,032.16/13,960,212.30 - Step 6: Final answer
x = 10,718,314.87
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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.