Finding the Fourth Proportional to 8,543,675.97, 12,806,590.95 and 5,131,955.97
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Solution
The fourth proportional to 8,543,675.97, 12,806,590.95 and 5,131,955.97 is: 7,692,574.15
Step by Step Solution
- Step 1: Write the proportion equation
8,543,675.97 : 12,806,590.95 = 5,131,955.97 : x - Step 2: Convert to fraction form
8,543,675.97/12,806,590.95 = 5,131,955.97/x - Step 3: Cross multiply
8,543,675.97x = 12,806,590.95 × 5,131,955.97 - Step 4: Simplify right side
8,543,675.97x = 65,722,860,881,200.46 - Step 5: Solve for x
x = 65,722,860,881,200.46/8,543,675.97 - Step 6: Final answer
x = 7,692,574.15
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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.