Finding the Fourth Proportional to 11,336,138.53, 15,634,244.77 and 9,578,647.51
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Solution
The fourth proportional to 11,336,138.53, 15,634,244.77 and 9,578,647.51 is: 13,210,399.58
Step by Step Solution
- Step 1: Write the proportion equation
11,336,138.53 : 15,634,244.77 = 9,578,647.51 : x - Step 2: Convert to fraction form
11,336,138.53/15,634,244.77 = 9,578,647.51/x - Step 3: Cross multiply
11,336,138.53x = 15,634,244.77 × 9,578,647.51 - Step 4: Simplify right side
11,336,138.53x = 149,754,919,673,858.81 - Step 5: Solve for x
x = 149,754,919,673,858.81/11,336,138.53 - Step 6: Final answer
x = 13,210,399.58
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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.