Finding the Fourth Proportional to 11,614,848.60, 16,028,674.38 and 6,388,083.84
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Solution
The fourth proportional to 11,614,848.60, 16,028,674.38 and 6,388,083.84 is: 8,815,656.52
Step by Step Solution
- Step 1: Write the proportion equation
11,614,848.60 : 16,028,674.38 = 6,388,083.84 : x - Step 2: Convert to fraction form
11,614,848.60/16,028,674.38 = 6,388,083.84/x - Step 3: Cross multiply
11,614,848.60x = 16,028,674.38 × 6,388,083.84 - Step 4: Simplify right side
11,614,848.60x = 102,392,515,783,500.02 - Step 5: Solve for x
x = 102,392,515,783,500.02/11,614,848.60 - Step 6: Final answer
x = 8,815,656.52
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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.