Finding the Fourth Proportional to 18,968,533.92, 26,176,574.64 and 10,266,704.88
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Solution
The fourth proportional to 18,968,533.92, 26,176,574.64 and 10,266,704.88 is: 14,168,051.56
Step by Step Solution
- Step 1: Write the proportion equation
18,968,533.92 : 26,176,574.64 = 10,266,704.88 : x - Step 2: Convert to fraction form
18,968,533.92/26,176,574.64 = 10,266,704.88/x - Step 3: Cross multiply
18,968,533.92x = 26,176,574.64 × 10,266,704.88 - Step 4: Simplify right side
18,968,533.92x = 268,747,166,598,172.28 - Step 5: Solve for x
x = 268,747,166,598,172.28/18,968,533.92 - Step 6: Final answer
x = 14,168,051.56
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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.