Finding the Fourth Proportional to 38,345,705.13, 52,918,378.98 and 22,678,160.13
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Solution
The fourth proportional to 38,345,705.13, 52,918,378.98 and 22,678,160.13 is: 31,296,633.31
Step by Step Solution
- Step 1: Write the proportion equation
38,345,705.13 : 52,918,378.98 = 22,678,160.13 : x - Step 2: Convert to fraction form
38,345,705.13/52,918,378.98 = 22,678,160.13/x - Step 3: Cross multiply
38,345,705.13x = 52,918,378.98 × 22,678,160.13 - Step 4: Simplify right side
38,345,705.13x = 1,200,091,472,328,466 - Step 5: Solve for x
x = 1,200,091,472,328,466/38,345,705.13 - Step 6: Final answer
x = 31,296,633.31
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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.