Finding the Fourth Proportional to 21,419,405.08, 29,559,292.76 and 11,630,261.86
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Solution
The fourth proportional to 21,419,405.08, 29,559,292.76 and 11,630,261.86 is: 16,050,040.32
Step by Step Solution
- Step 1: Write the proportion equation
21,419,405.08 : 29,559,292.76 = 11,630,261.86 : x - Step 2: Convert to fraction form
21,419,405.08/29,559,292.76 = 11,630,261.86/x - Step 3: Cross multiply
21,419,405.08x = 29,559,292.76 × 11,630,261.86 - Step 4: Simplify right side
21,419,405.08x = 343,782,315,195,202.12 - Step 5: Solve for x
x = 343,782,315,195,202.12/21,419,405.08 - Step 6: Final answer
x = 16,050,040.32
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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.