Finding the Fourth Proportional to 27,207,407.16, 37,502,461.08 and 18,384,103.08
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Solution
The fourth proportional to 27,207,407.16, 37,502,461.08 and 18,384,103.08 is: 25,340,492.98
Step by Step Solution
- Step 1: Write the proportion equation
27,207,407.16 : 37,502,461.08 = 18,384,103.08 : x - Step 2: Convert to fraction form
27,207,407.16/37,502,461.08 = 18,384,103.08/x - Step 3: Cross multiply
27,207,407.16x = 37,502,461.08 × 18,384,103.08 - Step 4: Simplify right side
27,207,407.16x = 689,449,110,248,408 - Step 5: Solve for x
x = 689,449,110,248,408/27,207,407.16 - Step 6: Final answer
x = 25,340,492.98
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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.