Finding the Fourth Proportional to 18,473,031.24, 25,492,029.84 and 10,212,567.72
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Solution
The fourth proportional to 18,473,031.24, 25,492,029.84 and 10,212,567.72 is: 14,092,927.02
Step by Step Solution
- Step 1: Write the proportion equation
18,473,031.24 : 25,492,029.84 = 10,212,567.72 : x - Step 2: Convert to fraction form
18,473,031.24/25,492,029.84 = 10,212,567.72/x - Step 3: Cross multiply
18,473,031.24x = 25,492,029.84 × 10,212,567.72 - Step 4: Simplify right side
18,473,031.24x = 260,339,081,061,260.78 - Step 5: Solve for x
x = 260,339,081,061,260.78/18,473,031.24 - Step 6: Final answer
x = 14,092,927.02
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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.