Finding the Fourth Proportional to 19,788,202.86, 29,817,092.09 and 16,272,713.58
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Solution
The fourth proportional to 19,788,202.86, 29,817,092.09 and 16,272,713.58 is: 24,519,912.33
Step by Step Solution
- Step 1: Write the proportion equation
19,788,202.86 : 29,817,092.09 = 16,272,713.58 : x - Step 2: Convert to fraction form
19,788,202.86/29,817,092.09 = 16,272,713.58/x - Step 3: Cross multiply
19,788,202.86x = 29,817,092.09 × 16,272,713.58 - Step 4: Simplify right side
19,788,202.86x = 485,204,999,287,690 - Step 5: Solve for x
x = 485,204,999,287,690/19,788,202.86 - Step 6: Final answer
x = 24,519,912.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.