Finding the Fourth Proportional to 19,019,705.13, 26,247,193.08 and 10,871,118.09
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Solution
The fourth proportional to 19,019,705.13, 26,247,193.08 and 10,871,118.09 is: 15,002,142.96
Step by Step Solution
- Step 1: Write the proportion equation
19,019,705.13 : 26,247,193.08 = 10,871,118.09 : x - Step 2: Convert to fraction form
19,019,705.13/26,247,193.08 = 10,871,118.09/x - Step 3: Cross multiply
19,019,705.13x = 26,247,193.08 × 10,871,118.09 - Step 4: Simplify right side
19,019,705.13x = 285,336,335,503,710.81 - Step 5: Solve for x
x = 285,336,335,503,710.81/19,019,705.13 - Step 6: Final answer
x = 15,002,142.96
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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.