Finding the Fourth Proportional to 38,345,699.13, 52,918,370.70 and 22,678,154.13
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Solution
The fourth proportional to 38,345,699.13, 52,918,370.70 and 22,678,154.13 is: 31,296,625.03
Step by Step Solution
- Step 1: Write the proportion equation
38,345,699.13 : 52,918,370.70 = 22,678,154.13 : x - Step 2: Convert to fraction form
38,345,699.13/52,918,370.70 = 22,678,154.13/x - Step 3: Cross multiply
38,345,699.13x = 52,918,370.70 × 22,678,154.13 - Step 4: Simplify right side
38,345,699.13x = 1,200,090,967,043,076 - Step 5: Solve for x
x = 1,200,090,967,043,076/38,345,699.13 - Step 6: Final answer
x = 31,296,625.03
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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.