Finding the Fourth Proportional to 14,382,121.72, 19,847,196.80 and 7,855,750.12
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Solution
The fourth proportional to 14,382,121.72, 19,847,196.80 and 7,855,750.12 is: 10,840,863.52
Step by Step Solution
- Step 1: Write the proportion equation
14,382,121.72 : 19,847,196.80 = 7,855,750.12 : x - Step 2: Convert to fraction form
14,382,121.72/19,847,196.80 = 7,855,750.12/x - Step 3: Cross multiply
14,382,121.72x = 19,847,196.80 × 7,855,750.12 - Step 4: Simplify right side
14,382,121.72x = 155,914,618,643,263.62 - Step 5: Solve for x
x = 155,914,618,643,263.62/14,382,121.72 - Step 6: Final answer
x = 10,840,863.52
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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.