Finding the Fourth Proportional to 14,236,403.05, 19,646,137.47 and 7,709,883.13
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Solution
The fourth proportional to 14,236,403.05, 19,646,137.47 and 7,709,883.13 is: 10,639,585.25
Step by Step Solution
- Step 1: Write the proportion equation
14,236,403.05 : 19,646,137.47 = 7,709,883.13 : x - Step 2: Convert to fraction form
14,236,403.05/19,646,137.47 = 7,709,883.13/x - Step 3: Cross multiply
14,236,403.05x = 19,646,137.47 × 7,709,883.13 - Step 4: Simplify right side
14,236,403.05x = 151,469,423,849,613.88 - Step 5: Solve for x
x = 151,469,423,849,613.88/14,236,403.05 - Step 6: Final answer
x = 10,639,585.25
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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.