Finding the Fourth Proportional to 18,896,603.14, 26,078,138.14 and 10,637,198.38
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Solution
The fourth proportional to 18,896,603.14, 26,078,138.14 and 10,637,198.38 is: 14,679,798.62
Step by Step Solution
- Step 1: Write the proportion equation
18,896,603.14 : 26,078,138.14 = 10,637,198.38 : x - Step 2: Convert to fraction form
18,896,603.14/26,078,138.14 = 10,637,198.38/x - Step 3: Cross multiply
18,896,603.14x = 26,078,138.14 × 10,637,198.38 - Step 4: Simplify right side
18,896,603.14x = 277,398,328,619,240.53 - Step 5: Solve for x
x = 277,398,328,619,240.53/18,896,603.14 - Step 6: Final answer
x = 14,679,798.62
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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.