Finding the Fourth Proportional to 7,758,704.14, 10,707,343.88 and 4,320,945.17
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Solution
The fourth proportional to 7,758,704.14, 10,707,343.88 and 4,320,945.17 is: 5,963,089.32
Step by Step Solution
- Step 1: Write the proportion equation
7,758,704.14 : 10,707,343.88 = 4,320,945.17 : x - Step 2: Convert to fraction form
7,758,704.14/10,707,343.88 = 4,320,945.17/x - Step 3: Cross multiply
7,758,704.14x = 10,707,343.88 × 4,320,945.17 - Step 4: Simplify right side
7,758,704.14x = 46,265,845,811,131.48 - Step 5: Solve for x
x = 46,265,845,811,131.48/7,758,704.14 - Step 6: Final answer
x = 5,963,089.32
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1.5x scale
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.