Finding the Fourth Proportional to 11,810,725.65, 16,298,801.61 and 6,378,217.65
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Solution
The fourth proportional to 11,810,725.65, 16,298,801.61 and 6,378,217.65 is: 8,801,940.47
Step by Step Solution
- Step 1: Write the proportion equation
11,810,725.65 : 16,298,801.61 = 6,378,217.65 : x - Step 2: Convert to fraction form
11,810,725.65/16,298,801.61 = 6,378,217.65/x - Step 3: Cross multiply
11,810,725.65x = 16,298,801.61 × 6,378,217.65 - Step 4: Simplify right side
11,810,725.65x = 103,957,304,102,750.42 - Step 5: Solve for x
x = 103,957,304,102,750.42/11,810,725.65 - Step 6: Final answer
x = 8,801,940.47
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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.