Finding the Fourth Proportional to 11,400,921.90, 15,733,287.39 and 6,173,939.08
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Solution
The fourth proportional to 11,400,921.90, 15,733,287.39 and 6,173,939.08 is: 8,520,044.14
Step by Step Solution
- Step 1: Write the proportion equation
11,400,921.90 : 15,733,287.39 = 6,173,939.08 : x - Step 2: Convert to fraction form
11,400,921.90/15,733,287.39 = 6,173,939.08/x - Step 3: Cross multiply
11,400,921.90x = 15,733,287.39 × 6,173,939.08 - Step 4: Simplify right side
11,400,921.90x = 97,136,357,834,658.98 - Step 5: Solve for x
x = 97,136,357,834,658.98/11,400,921.90 - Step 6: Final answer
x = 8,520,044.14
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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.