Finding the Fourth Proportional to 19,747,702.02, 27,257,622.21 and 11,489,706.66
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Solution
The fourth proportional to 19,747,702.02, 27,257,622.21 and 11,489,706.66 is: 15,859,165.95
Step by Step Solution
- Step 1: Write the proportion equation
19,747,702.02 : 27,257,622.21 = 11,489,706.66 : x - Step 2: Convert to fraction form
19,747,702.02/27,257,622.21 = 11,489,706.66/x - Step 3: Cross multiply
19,747,702.02x = 27,257,622.21 × 11,489,706.66 - Step 4: Simplify right side
19,747,702.02x = 313,182,083,442,000.94 - Step 5: Solve for x
x = 313,182,083,442,000.94/19,747,702.02 - Step 6: Final answer
x = 15,859,165.95
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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.