Finding the Fourth Proportional to 38,345,666.96, 52,918,326.21 and 22,678,121.98
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Solution
The fourth proportional to 38,345,666.96, 52,918,326.21 and 22,678,121.98 is: 31,296,580.60
Step by Step Solution
- Step 1: Write the proportion equation
38,345,666.96 : 52,918,326.21 = 22,678,121.98 : x - Step 2: Convert to fraction form
38,345,666.96/52,918,326.21 = 22,678,121.98/x - Step 3: Cross multiply
38,345,666.96x = 52,918,326.21 × 22,678,121.98 - Step 4: Simplify right side
38,345,666.96x = 1,200,088,256,767,811.25 - Step 5: Solve for x
x = 1,200,088,256,767,811.25/38,345,666.96 - Step 6: Final answer
x = 31,296,580.60
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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.