Finding the Fourth Proportional to 10,563,803.26, 14,578,109.13 and 6,213,072.94
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Solution
The fourth proportional to 10,563,803.26, 14,578,109.13 and 6,213,072.94 is: 8,574,076.32
Step by Step Solution
- Step 1: Write the proportion equation
10,563,803.26 : 14,578,109.13 = 6,213,072.94 : x - Step 2: Convert to fraction form
10,563,803.26/14,578,109.13 = 6,213,072.94/x - Step 3: Cross multiply
10,563,803.26x = 14,578,109.13 × 6,213,072.94 - Step 4: Simplify right side
10,563,803.26x = 90,574,855,351,969.95 - Step 5: Solve for x
x = 90,574,855,351,969.95/10,563,803.26 - Step 6: Final answer
x = 8,574,076.32
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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.