Finding the Fourth Proportional to 11,456,810.40, 15,806,528.52 and 6,494,719.44
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Solution
The fourth proportional to 11,456,810.40, 15,806,528.52 and 6,494,719.44 is: 8,960,519.07
Step by Step Solution
- Step 1: Write the proportion equation
11,456,810.40 : 15,806,528.52 = 6,494,719.44 : x - Step 2: Convert to fraction form
11,456,810.40/15,806,528.52 = 6,494,719.44/x - Step 3: Cross multiply
11,456,810.40x = 15,806,528.52 × 6,494,719.44 - Step 4: Simplify right side
11,456,810.40x = 102,658,968,057,758.44 - Step 5: Solve for x
x = 102,658,968,057,758.44/11,456,810.40 - Step 6: Final answer
x = 8,960,519.07
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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.