Finding the Fourth Proportional to 11,229,681.42, 15,497,006.94 and 6,073,042.98
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Solution
The fourth proportional to 11,229,681.42, 15,497,006.94 and 6,073,042.98 is: 8,380,824.50
Step by Step Solution
- Step 1: Write the proportion equation
11,229,681.42 : 15,497,006.94 = 6,073,042.98 : x - Step 2: Convert to fraction form
11,229,681.42/15,497,006.94 = 6,073,042.98/x - Step 3: Cross multiply
11,229,681.42x = 15,497,006.94 × 6,073,042.98 - Step 4: Simplify right side
11,229,681.42x = 94,113,989,207,978.28 - Step 5: Solve for x
x = 94,113,989,207,978.28/11,229,681.42 - Step 6: Final answer
x = 8,380,824.50
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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.