Finding the Fourth Proportional to 19,231,153.84, 26,538,993.66 and 10,529,327.08
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Solution
The fourth proportional to 19,231,153.84, 26,538,993.66 and 10,529,327.08 is: 14,530,472.12
Step by Step Solution
- Step 1: Write the proportion equation
19,231,153.84 : 26,538,993.66 = 10,529,327.08 : x - Step 2: Convert to fraction form
19,231,153.84/26,538,993.66 = 10,529,327.08/x - Step 3: Cross multiply
19,231,153.84x = 26,538,993.66 × 10,529,327.08 - Step 4: Simplify right side
19,231,153.84x = 279,437,744,620,186.31 - Step 5: Solve for x
x = 279,437,744,620,186.31/19,231,153.84 - Step 6: Final answer
x = 14,530,472.12
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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.