Finding the Fourth Proportional to 18,255,456.58, 25,192,536.20 and 9,996,041.28
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Solution
The fourth proportional to 18,255,456.58, 25,192,536.20 and 9,996,041.28 is: 13,794,540.32
Step by Step Solution
- Step 1: Write the proportion equation
18,255,456.58 : 25,192,536.20 = 9,996,041.28 : x - Step 2: Convert to fraction form
18,255,456.58/25,192,536.20 = 9,996,041.28/x - Step 3: Cross multiply
18,255,456.58x = 25,192,536.20 × 9,996,041.28 - Step 4: Simplify right side
18,255,456.58x = 251,825,631,803,094.31 - Step 5: Solve for x
x = 251,825,631,803,094.31/18,255,456.58 - Step 6: Final answer
x = 13,794,540.32
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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.