Finding the Fourth Proportional to 19,984,658.09, 27,577,288.94 and 11,283,689.52
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Solution
The fourth proportional to 19,984,658.09, 27,577,288.94 and 11,283,689.52 is: 15,570,622.47
Step by Step Solution
- Step 1: Write the proportion equation
19,984,658.09 : 27,577,288.94 = 11,283,689.52 : x - Step 2: Convert to fraction form
19,984,658.09/27,577,288.94 = 11,283,689.52/x - Step 3: Cross multiply
19,984,658.09x = 27,577,288.94 × 11,283,689.52 - Step 4: Simplify right side
19,984,658.09x = 311,173,566,145,871.44 - Step 5: Solve for x
x = 311,173,566,145,871.44/19,984,658.09 - Step 6: Final answer
x = 15,570,622.47
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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.