Finding the Fourth Proportional to 11,133,713.36, 16,672,219.14 and 7,335,681.68
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Solution
The fourth proportional to 11,133,713.36, 16,672,219.14 and 7,335,681.68 is: 10,984,842.93
Step by Step Solution
- Step 1: Write the proportion equation
11,133,713.36 : 16,672,219.14 = 7,335,681.68 : x - Step 2: Convert to fraction form
11,133,713.36/16,672,219.14 = 7,335,681.68/x - Step 3: Cross multiply
11,133,713.36x = 16,672,219.14 × 7,335,681.68 - Step 4: Simplify right side
11,133,713.36x = 122,302,092,510,243.36 - Step 5: Solve for x
x = 122,302,092,510,243.36/11,133,713.36 - Step 6: Final answer
x = 10,984,842.93
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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.