Finding the Fourth Proportional to 18,896,603.64, 26,078,138.83 and 10,637,198.88
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Solution
The fourth proportional to 18,896,603.64, 26,078,138.83 and 10,637,198.88 is: 14,679,799.31
Step by Step Solution
- Step 1: Write the proportion equation
18,896,603.64 : 26,078,138.83 = 10,637,198.88 : x - Step 2: Convert to fraction form
18,896,603.64/26,078,138.83 = 10,637,198.88/x - Step 3: Cross multiply
18,896,603.64x = 26,078,138.83 × 10,637,198.88 - Step 4: Simplify right side
18,896,603.64x = 277,398,349,024,569.81 - Step 5: Solve for x
x = 277,398,349,024,569.81/18,896,603.64 - Step 6: Final answer
x = 14,679,799.31
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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.