Finding the Fourth Proportional to 19,838,828.97, 27,377,573.27 and 11,137,018.41
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Solution
The fourth proportional to 19,838,828.97, 27,377,573.27 and 11,137,018.41 is: 15,369,079.39
Step by Step Solution
- Step 1: Write the proportion equation
19,838,828.97 : 27,377,573.27 = 11,137,018.41 : x - Step 2: Convert to fraction form
19,838,828.97/27,377,573.27 = 11,137,018.41/x - Step 3: Cross multiply
19,838,828.97x = 27,377,573.27 × 11,137,018.41 - Step 4: Simplify right side
19,838,828.97x = 304,904,537,473,428.81 - Step 5: Solve for x
x = 304,904,537,473,428.81/19,838,828.97 - Step 6: Final answer
x = 15,369,079.39
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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.