Finding the Fourth Proportional to 7,888,307.69, 11,836,208.75 and 5,463,192.93
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Solution
The fourth proportional to 7,888,307.69, 11,836,208.75 and 5,463,192.93 is: 8,197,384.60
Step by Step Solution
- Step 1: Write the proportion equation
7,888,307.69 : 11,836,208.75 = 5,463,192.93 : x - Step 2: Convert to fraction form
7,888,307.69/11,836,208.75 = 5,463,192.93/x - Step 3: Cross multiply
7,888,307.69x = 11,836,208.75 × 5,463,192.93 - Step 4: Simplify right side
7,888,307.69x = 64,663,491,961,004.13 - Step 5: Solve for x
x = 64,663,491,961,004.13/7,888,307.69 - Step 6: Final answer
x = 8,197,384.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.