Finding the Fourth Proportional to 17,832,919.08, 24,616,961.28 and 12,039,547.80
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Solution
The fourth proportional to 17,832,919.08, 24,616,961.28 and 12,039,547.80 is: 16,619,661.69
Step by Step Solution
- Step 1: Write the proportion equation
17,832,919.08 : 24,616,961.28 = 12,039,547.80 : x - Step 2: Convert to fraction form
17,832,919.08/24,616,961.28 = 12,039,547.80/x - Step 3: Cross multiply
17,832,919.08x = 24,616,961.28 × 12,039,547.80 - Step 4: Simplify right side
17,832,919.08x = 296,377,082,021,309.19 - Step 5: Solve for x
x = 296,377,082,021,309.19/17,832,919.08 - Step 6: Final answer
x = 16,619,661.69
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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.