Finding the Fourth Proportional to 27,845,276.84, 38,425,902.72 and 15,454,643.12
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Solution
The fourth proportional to 27,845,276.84, 38,425,902.72 and 15,454,643.12 is: 21,327,085.97
Step by Step Solution
- Step 1: Write the proportion equation
27,845,276.84 : 38,425,902.72 = 15,454,643.12 : x - Step 2: Convert to fraction form
27,845,276.84/38,425,902.72 = 15,454,643.12/x - Step 3: Cross multiply
27,845,276.84x = 38,425,902.72 × 15,454,643.12 - Step 4: Simplify right side
27,845,276.84x = 593,858,613,101,437.25 - Step 5: Solve for x
x = 593,858,613,101,437.25/27,845,276.84 - Step 6: Final answer
x = 21,327,085.97
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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.