Finding the Fourth Proportional to 11,836,871.58, 16,330,235.09 and 6,874,468.17
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Solution
The fourth proportional to 11,836,871.58, 16,330,235.09 and 6,874,468.17 is: 9,484,066.85
Step by Step Solution
- Step 1: Write the proportion equation
11,836,871.58 : 16,330,235.09 = 6,874,468.17 : x - Step 2: Convert to fraction form
11,836,871.58/16,330,235.09 = 6,874,468.17/x - Step 3: Cross multiply
11,836,871.58x = 16,330,235.09 × 6,874,468.17 - Step 4: Simplify right side
11,836,871.58x = 112,261,681,334,822.08 - Step 5: Solve for x
x = 112,261,681,334,822.08/11,836,871.58 - Step 6: Final answer
x = 9,484,066.85
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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.