Finding the Fourth Proportional to 19,859,350.80, 29,789,027.40 and 6,396,178.80
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Solution
The fourth proportional to 19,859,350.80, 29,789,027.40 and 6,396,178.80 is: 9,594,268.59
Step by Step Solution
- Step 1: Write the proportion equation
19,859,350.80 : 29,789,027.40 = 6,396,178.80 : x - Step 2: Convert to fraction form
19,859,350.80/29,789,027.40 = 6,396,178.80/x - Step 3: Cross multiply
19,859,350.80x = 29,789,027.40 × 6,396,178.80 - Step 4: Simplify right side
19,859,350.80x = 190,535,945,528,499.09 - Step 5: Solve for x
x = 190,535,945,528,499.09/19,859,350.80 - Step 6: Final answer
x = 9,594,268.59
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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.