Finding the Fourth Proportional to 7,788,296.88, 10,747,849.05 and 4,350,537.81
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Solution
The fourth proportional to 7,788,296.88, 10,747,849.05 and 4,350,537.81 is: 6,003,741.82
Step by Step Solution
- Step 1: Write the proportion equation
7,788,296.88 : 10,747,849.05 = 4,350,537.81 : x - Step 2: Convert to fraction form
7,788,296.88/10,747,849.05 = 4,350,537.81/x - Step 3: Cross multiply
7,788,296.88x = 10,747,849.05 × 4,350,537.81 - Step 4: Simplify right side
7,788,296.88x = 46,758,923,668,197.58 - Step 5: Solve for x
x = 46,758,923,668,197.58/7,788,296.88 - Step 6: Final answer
x = 6,003,741.82
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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.