Finding the Fourth Proportional to 11,388,563.65, 15,716,217.36 and 6,231,925.63
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Solution
The fourth proportional to 11,388,563.65, 15,716,217.36 and 6,231,925.63 is: 8,600,057.11
Step by Step Solution
- Step 1: Write the proportion equation
11,388,563.65 : 15,716,217.36 = 6,231,925.63 : x - Step 2: Convert to fraction form
11,388,563.65/15,716,217.36 = 6,231,925.63/x - Step 3: Cross multiply
11,388,563.65x = 15,716,217.36 × 6,231,925.63 - Step 4: Simplify right side
11,388,563.65x = 97,942,297,772,434.94 - Step 5: Solve for x
x = 97,942,297,772,434.94/11,388,563.65 - Step 6: Final answer
x = 8,600,057.11
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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.