Finding the Fourth Proportional to 38,845,231.80, 58,274,846.10 and 16,128,425.40
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Solution
The fourth proportional to 38,845,231.80, 58,274,846.10 and 16,128,425.40 is: 24,195,543.81
Step by Step Solution
- Step 1: Write the proportion equation
38,845,231.80 : 58,274,846.10 = 16,128,425.40 : x - Step 2: Convert to fraction form
38,845,231.80/58,274,846.10 = 16,128,425.40/x - Step 3: Cross multiply
38,845,231.80x = 58,274,846.10 × 16,128,425.40 - Step 4: Simplify right side
38,845,231.80x = 939,881,508,020,331 - Step 5: Solve for x
x = 939,881,508,020,331/38,845,231.80 - Step 6: Final answer
x = 24,195,543.81
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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.