Finding the Fourth Proportional to 21,414,856,440.12, 29,540,193,421.44 and 13,372,235,607.84
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Solution
The fourth proportional to 21,414,856,440.12, 29,540,193,421.44 and 13,372,235,607.84 is: 18,445,999,273.32
Step by Step Solution
- Step 1: Write the proportion equation
21,414,856,440.12 : 29,540,193,421.44 = 13,372,235,607.84 : x - Step 2: Convert to fraction form
21,414,856,440.12/29,540,193,421.44 = 13,372,235,607.84/x - Step 3: Cross multiply
21,414,856,440.12x = 29,540,193,421.44 × 13,372,235,607.84 - Step 4: Simplify right side
21,414,856,440.12x = 395,018,426,332,660,891,648 - Step 5: Solve for x
x = 395,018,426,332,660,891,648/21,414,856,440.12 - Step 6: Final answer
x = 18,445,999,273.32
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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.