Finding the Fourth Proportional to 19,148,529.76, 26,424,845.52 and 10,888,593.44
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Solution
The fourth proportional to 19,148,529.76, 26,424,845.52 and 10,888,593.44 is: 15,026,187.56
Step by Step Solution
- Step 1: Write the proportion equation
19,148,529.76 : 26,424,845.52 = 10,888,593.44 : x - Step 2: Convert to fraction form
19,148,529.76/26,424,845.52 = 10,888,593.44/x - Step 3: Cross multiply
19,148,529.76x = 26,424,845.52 × 10,888,593.44 - Step 4: Simplify right side
19,148,529.76x = 287,729,399,582,085.38 - Step 5: Solve for x
x = 287,729,399,582,085.38/19,148,529.76 - Step 6: Final answer
x = 15,026,187.56
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1.5x scale
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.