Finding the Fourth Proportional to 26,987,130.62, 40,480,814.51 and 8,543,166.24
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Solution
The fourth proportional to 26,987,130.62, 40,480,814.51 and 8,543,166.24 is: 12,814,786.90
Step by Step Solution
- Step 1: Write the proportion equation
26,987,130.62 : 40,480,814.51 = 8,543,166.24 : x - Step 2: Convert to fraction form
26,987,130.62/40,480,814.51 = 8,543,166.24/x - Step 3: Cross multiply
26,987,130.62x = 40,480,814.51 × 8,543,166.24 - Step 4: Simplify right side
26,987,130.62x = 345,834,327,802,953.62 - Step 5: Solve for x
x = 345,834,327,802,953.62/26,987,130.62 - Step 6: Final answer
x = 12,814,786.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.