Finding the Fourth Proportional to 14,837,371.56, 20,475,692.99 and 8,222,070.53
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Solution
The fourth proportional to 14,837,371.56, 20,475,692.99 and 8,222,070.53 is: 11,346,523.97
Step by Step Solution
- Step 1: Write the proportion equation
14,837,371.56 : 20,475,692.99 = 8,222,070.53 : x - Step 2: Convert to fraction form
14,837,371.56/20,475,692.99 = 8,222,070.53/x - Step 3: Cross multiply
14,837,371.56x = 20,475,692.99 × 8,222,070.53 - Step 4: Simplify right side
14,837,371.56x = 168,352,592,001,567.38 - Step 5: Solve for x
x = 168,352,592,001,567.38/14,837,371.56 - Step 6: Final answer
x = 11,346,523.97
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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.