Finding the Fourth Proportional to 18,588,542.23, 27,893,726.48 and 7,805,013.85
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Solution
The fourth proportional to 18,588,542.23, 27,893,726.48 and 7,805,013.85 is: 11,712,103.02
Step by Step Solution
- Step 1: Write the proportion equation
18,588,542.23 : 27,893,726.48 = 7,805,013.85 : x - Step 2: Convert to fraction form
18,588,542.23/27,893,726.48 = 7,805,013.85/x - Step 3: Cross multiply
18,588,542.23x = 27,893,726.48 × 7,805,013.85 - Step 4: Simplify right side
18,588,542.23x = 217,710,921,504,511.75 - Step 5: Solve for x
x = 217,710,921,504,511.75/18,588,542.23 - Step 6: Final answer
x = 11,712,103.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.