Finding the Fourth Proportional to 19,957,807.35, 27,541,750.82 and 10,790,428.23
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Solution
The fourth proportional to 19,957,807.35, 27,541,750.82 and 10,790,428.23 is: 14,890,778.34
Step by Step Solution
- Step 1: Write the proportion equation
19,957,807.35 : 27,541,750.82 = 10,790,428.23 : x - Step 2: Convert to fraction form
19,957,807.35/27,541,750.82 = 10,790,428.23/x - Step 3: Cross multiply
19,957,807.35x = 27,541,750.82 × 10,790,428.23 - Step 4: Simplify right side
19,957,807.35x = 297,187,285,497,801.56 - Step 5: Solve for x
x = 297,187,285,497,801.56/19,957,807.35 - Step 6: Final answer
x = 14,890,778.34
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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.