Finding the Fourth Proportional to 39,072,186, 53,919,616.68 and 21,671,195.76
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Solution
The fourth proportional to 39,072,186, 53,919,616.68 and 21,671,195.76 is: 29,906,250.15
Step by Step Solution
- Step 1: Write the proportion equation
39,072,186 : 53,919,616.68 = 21,671,195.76 : x - Step 2: Convert to fraction form
39,072,186/53,919,616.68 = 21,671,195.76/x - Step 3: Cross multiply
39,072,186x = 53,919,616.68 × 21,671,195.76 - Step 4: Simplify right side
39,072,186x = 1,168,502,568,376,441.25 - Step 5: Solve for x
x = 1,168,502,568,376,441.25/39,072,186 - Step 6: Final answer
x = 29,906,250.15
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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.