Finding the Fourth Proportional to 35,171,434.44, 48,539,272.17 and 22,129,872.30
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Solution
The fourth proportional to 35,171,434.44, 48,539,272.17 and 22,129,872.30 is: 30,540,917.99
Step by Step Solution
- Step 1: Write the proportion equation
35,171,434.44 : 48,539,272.17 = 22,129,872.30 : x - Step 2: Convert to fraction form
35,171,434.44/48,539,272.17 = 22,129,872.30/x - Step 3: Cross multiply
35,171,434.44x = 48,539,272.17 × 22,129,872.30 - Step 4: Simplify right side
35,171,434.44x = 1,074,167,894,740,030.88 - Step 5: Solve for x
x = 1,074,167,894,740,030.88/35,171,434.44 - Step 6: Final answer
x = 30,540,917.99
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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.