Finding the Fourth Proportional to 19,031,997.50, 26,264,183.13 and 10,330,172.09
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Solution
The fourth proportional to 19,031,997.50, 26,264,183.13 and 10,330,172.09 is: 14,255,651.91
Step by Step Solution
- Step 1: Write the proportion equation
19,031,997.50 : 26,264,183.13 = 10,330,172.09 : x - Step 2: Convert to fraction form
19,031,997.50/26,264,183.13 = 10,330,172.09/x - Step 3: Cross multiply
19,031,997.50x = 26,264,183.13 × 10,330,172.09 - Step 4: Simplify right side
19,031,997.50x = 271,313,531,404,853.94 - Step 5: Solve for x
x = 271,313,531,404,853.94/19,031,997.50 - Step 6: Final answer
x = 14,255,651.91
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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.