Finding the Fourth Proportional to 19,179,187.11, 26,468,223 and 10,919,412.99
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Solution
The fourth proportional to 19,179,187.11, 26,468,223 and 10,919,412.99 is: 15,069,327.83
Step by Step Solution
- Step 1: Write the proportion equation
19,179,187.11 : 26,468,223 = 10,919,412.99 : x - Step 2: Convert to fraction form
19,179,187.11/26,468,223 = 10,919,412.99/x - Step 3: Cross multiply
19,179,187.11x = 26,468,223 × 10,919,412.99 - Step 4: Simplify right side
19,179,187.11x = 289,017,458,048,416.75 - Step 5: Solve for x
x = 289,017,458,048,416.75/19,179,187.11 - Step 6: Final answer
x = 15,069,327.83
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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.