Finding the Fourth Proportional to 11,553,603.66, 15,944,471.24 and 6,396,965.19
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Solution
The fourth proportional to 11,553,603.66, 15,944,471.24 and 6,396,965.19 is: 8,828,087.80
Step by Step Solution
- Step 1: Write the proportion equation
11,553,603.66 : 15,944,471.24 = 6,396,965.19 : x - Step 2: Convert to fraction form
11,553,603.66/15,944,471.24 = 6,396,965.19/x - Step 3: Cross multiply
11,553,603.66x = 15,944,471.24 × 6,396,965.19 - Step 4: Simplify right side
11,553,603.66x = 101,996,227,495,236.14 - Step 5: Solve for x
x = 101,996,227,495,236.14/11,553,603.66 - Step 6: Final answer
x = 8,828,087.80
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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.