Finding the Fourth Proportional to 11,211,414.66, 16,817,123.21 and 6,415,713.14
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Solution
The fourth proportional to 11,211,414.66, 16,817,123.21 and 6,415,713.14 is: 9,623,570.40
Step by Step Solution
- Step 1: Write the proportion equation
11,211,414.66 : 16,817,123.21 = 6,415,713.14 : x - Step 2: Convert to fraction form
11,211,414.66/16,817,123.21 = 6,415,713.14/x - Step 3: Cross multiply
11,211,414.66x = 16,817,123.21 × 6,415,713.14 - Step 4: Simplify right side
11,211,414.66x = 107,893,838,239,231.78 - Step 5: Solve for x
x = 107,893,838,239,231.78/11,211,414.66 - Step 6: Final answer
x = 9,623,570.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.