Finding the Fourth Proportional to 12,148,996.26, 16,765,964.74 and 6,716,838.18
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Solution
The fourth proportional to 12,148,996.26, 16,765,964.74 and 6,716,838.18 is: 9,269,430.14
Step by Step Solution
- Step 1: Write the proportion equation
12,148,996.26 : 16,765,964.74 = 6,716,838.18 : x - Step 2: Convert to fraction form
12,148,996.26/16,765,964.74 = 6,716,838.18/x - Step 3: Cross multiply
12,148,996.26x = 16,765,964.74 × 6,716,838.18 - Step 4: Simplify right side
12,148,996.26x = 112,614,272,090,165.77 - Step 5: Solve for x
x = 112,614,272,090,165.77/12,148,996.26 - Step 6: Final answer
x = 9,269,430.14
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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.