Finding the Fourth Proportional to 11,508,157.98, 15,881,179.77 and 6,351,519.42
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Solution
The fourth proportional to 11,508,157.98, 15,881,179.77 and 6,351,519.42 is: 8,765,053.62
Step by Step Solution
- Step 1: Write the proportion equation
11,508,157.98 : 15,881,179.77 = 6,351,519.42 : x - Step 2: Convert to fraction form
11,508,157.98/15,881,179.77 = 6,351,519.42/x - Step 3: Cross multiply
11,508,157.98x = 15,881,179.77 × 6,351,519.42 - Step 4: Simplify right side
11,508,157.98x = 100,869,621,721,666.12 - Step 5: Solve for x
x = 100,869,621,721,666.12/11,508,157.98 - Step 6: Final answer
x = 8,765,053.62
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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.