Finding the Fourth Proportional to 14,292,453.26, 19,723,544.75 and 7,766,080.98
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Solution
The fourth proportional to 14,292,453.26, 19,723,544.75 and 7,766,080.98 is: 10,717,169.61
Step by Step Solution
- Step 1: Write the proportion equation
14,292,453.26 : 19,723,544.75 = 7,766,080.98 : x - Step 2: Convert to fraction form
14,292,453.26/19,723,544.75 = 7,766,080.98/x - Step 3: Cross multiply
14,292,453.26x = 19,723,544.75 × 7,766,080.98 - Step 4: Simplify right side
14,292,453.26x = 153,174,645,702,323.47 - Step 5: Solve for x
x = 153,174,645,702,323.47/14,292,453.26 - Step 6: Final answer
x = 10,717,169.61
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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.