Finding the Fourth Proportional to 12,485,122.13, 18,596,031.08 and 11,924,942.12
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Solution
The fourth proportional to 12,485,122.13, 18,596,031.08 and 11,924,942.12 is: 17,761,668.02
Step by Step Solution
- Step 1: Write the proportion equation
12,485,122.13 : 18,596,031.08 = 11,924,942.12 : x - Step 2: Convert to fraction form
12,485,122.13/18,596,031.08 = 11,924,942.12/x - Step 3: Cross multiply
12,485,122.13x = 18,596,031.08 × 11,924,942.12 - Step 4: Simplify right side
12,485,122.13x = 221,756,594,379,531.84 - Step 5: Solve for x
x = 221,756,594,379,531.84/12,485,122.13 - Step 6: Final answer
x = 17,761,668.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.