Finding the Fourth Proportional to 34,389,348.63, 47,437,593.62 and 21,489,897.75
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Solution
The fourth proportional to 34,389,348.63, 47,437,593.62 and 21,489,897.75 is: 29,643,743.69
Step by Step Solution
- Step 1: Write the proportion equation
34,389,348.63 : 47,437,593.62 = 21,489,897.75 : x - Step 2: Convert to fraction form
34,389,348.63/47,437,593.62 = 21,489,897.75/x - Step 3: Cross multiply
34,389,348.63x = 47,437,593.62 × 21,489,897.75 - Step 4: Simplify right side
34,389,348.63x = 1,019,429,036,292,402.88 - Step 5: Solve for x
x = 1,019,429,036,292,402.88/34,389,348.63 - Step 6: Final answer
x = 29,643,743.69
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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.