Finding the Fourth Proportional to 27,754,085.07, 38,301,090.84 and 15,194,930.18
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Solution
The fourth proportional to 27,754,085.07, 38,301,090.84 and 15,194,930.18 is: 20,969,251.89
Step by Step Solution
- Step 1: Write the proportion equation
27,754,085.07 : 38,301,090.84 = 15,194,930.18 : x - Step 2: Convert to fraction form
27,754,085.07/38,301,090.84 = 15,194,930.18/x - Step 3: Cross multiply
27,754,085.07x = 38,301,090.84 × 15,194,930.18 - Step 4: Simplify right side
27,754,085.07x = 581,982,400,940,132.12 - Step 5: Solve for x
x = 581,982,400,940,132.12/27,754,085.07 - Step 6: Final answer
x = 20,969,251.89
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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.