Finding the Fourth Proportional to 20,185,283.84, 27,851,533.44 and 11,598,920.96
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Solution
The fourth proportional to 20,185,283.84, 27,851,533.44 and 11,598,920.96 is: 16,004,121.49
Step by Step Solution
- Step 1: Write the proportion equation
20,185,283.84 : 27,851,533.44 = 11,598,920.96 : x - Step 2: Convert to fraction form
20,185,283.84/27,851,533.44 = 11,598,920.96/x - Step 3: Cross multiply
20,185,283.84x = 27,851,533.44 × 11,598,920.96 - Step 4: Simplify right side
20,185,283.84x = 323,047,734,985,356.94 - Step 5: Solve for x
x = 323,047,734,985,356.94/20,185,283.84 - Step 6: Final answer
x = 16,004,121.49
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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.