Finding the Fourth Proportional to 10,205,603.31, 15,310,288.49 and 4,222,437.87
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Solution
The fourth proportional to 10,205,603.31, 15,310,288.49 and 4,222,437.87 is: 6,334,436.09
Step by Step Solution
- Step 1: Write the proportion equation
10,205,603.31 : 15,310,288.49 = 4,222,437.87 : x - Step 2: Convert to fraction form
10,205,603.31/15,310,288.49 = 4,222,437.87/x - Step 3: Cross multiply
10,205,603.31x = 15,310,288.49 × 4,222,437.87 - Step 4: Simplify right side
10,205,603.31x = 64,646,741,899,688.93 - Step 5: Solve for x
x = 64,646,741,899,688.93/10,205,603.31 - Step 6: Final answer
x = 6,334,436.09
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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.