Finding the Fourth Proportional to 20,799,399,876.08, 28,703,227,463.52 and 11,283,951,625.52
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Solution
The fourth proportional to 20,799,399,876.08, 28,703,227,463.52 and 11,283,951,625.52 is: 15,571,883,425.69
Step by Step Solution
- Step 1: Write the proportion equation
20,799,399,876.08 : 28,703,227,463.52 = 11,283,951,625.52 : x - Step 2: Convert to fraction form
20,799,399,876.08/28,703,227,463.52 = 11,283,951,625.52/x - Step 3: Cross multiply
20,799,399,876.08x = 28,703,227,463.52 × 11,283,951,625.52 - Step 4: Simplify right side
20,799,399,876.08x = 323,885,830,194,656,837,632 - Step 5: Solve for x
x = 323,885,830,194,656,837,632/20,799,399,876.08 - Step 6: Final answer
x = 15,571,883,425.69
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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.