Finding the Fourth Proportional to 27,699,522.09, 38,227,319.46 and 15,309,348.99
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Solution
The fourth proportional to 27,699,522.09, 38,227,319.46 and 15,309,348.99 is: 21,127,995.37
Step by Step Solution
- Step 1: Write the proportion equation
27,699,522.09 : 38,227,319.46 = 15,309,348.99 : x - Step 2: Convert to fraction form
27,699,522.09/38,227,319.46 = 15,309,348.99/x - Step 3: Cross multiply
27,699,522.09x = 38,227,319.46 × 15,309,348.99 - Step 4: Simplify right side
27,699,522.09x = 585,235,374,565,358.38 - Step 5: Solve for x
x = 585,235,374,565,358.38/27,699,522.09 - Step 6: Final answer
x = 21,127,995.37
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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.