Finding the Fourth Proportional to 11,653,909.60, 17,479,930.80 and 3,976,898.08
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Solution
The fourth proportional to 11,653,909.60, 17,479,930.80 and 3,976,898.08 is: 5,965,028.53
Step by Step Solution
- Step 1: Write the proportion equation
11,653,909.60 : 17,479,930.80 = 3,976,898.08 : x - Step 2: Convert to fraction form
11,653,909.60/17,479,930.80 = 3,976,898.08/x - Step 3: Cross multiply
11,653,909.60x = 17,479,930.80 × 3,976,898.08 - Step 4: Simplify right side
11,653,909.60x = 69,515,903,237,052.87 - Step 5: Solve for x
x = 69,515,903,237,052.87/11,653,909.60 - Step 6: Final answer
x = 5,965,028.53
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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.