Finding the Fourth Proportional to 14,236,569.18, 21,358,491.48 and 4,139,190.18
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Solution
The fourth proportional to 14,236,569.18, 21,358,491.48 and 4,139,190.18 is: 6,209,842.91
Step by Step Solution
- Step 1: Write the proportion equation
14,236,569.18 : 21,358,491.48 = 4,139,190.18 : x - Step 2: Convert to fraction form
14,236,569.18/21,358,491.48 = 4,139,190.18/x - Step 3: Cross multiply
14,236,569.18x = 21,358,491.48 × 4,139,190.18 - Step 4: Simplify right side
14,236,569.18x = 88,406,858,193,629.67 - Step 5: Solve for x
x = 88,406,858,193,629.67/14,236,569.18 - Step 6: Final answer
x = 6,209,842.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.