Finding the Fourth Proportional to 14,235,816.71, 19,645,329.24 and 7,709,296.82
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Solution
The fourth proportional to 14,235,816.71, 19,645,329.24 and 7,709,296.82 is: 10,638,776.63
Step by Step Solution
- Step 1: Write the proportion equation
14,235,816.71 : 19,645,329.24 = 7,709,296.82 : x - Step 2: Convert to fraction form
14,235,816.71/19,645,329.24 = 7,709,296.82/x - Step 3: Cross multiply
14,235,816.71x = 19,645,329.24 × 7,709,296.82 - Step 4: Simplify right side
14,235,816.71x = 151,451,674,139,558.38 - Step 5: Solve for x
x = 151,451,674,139,558.38/14,235,816.71 - Step 6: Final answer
x = 10,638,776.63
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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.