Finding the Fourth Proportional to 64,247,603.12, 96,372,647.40 and 15,725,872.88
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Solution
The fourth proportional to 64,247,603.12, 96,372,647.40 and 15,725,872.88 is: 23,589,113.50
Step by Step Solution
- Step 1: Write the proportion equation
64,247,603.12 : 96,372,647.40 = 15,725,872.88 : x - Step 2: Convert to fraction form
64,247,603.12/96,372,647.40 = 15,725,872.88/x - Step 3: Cross multiply
64,247,603.12x = 96,372,647.40 × 15,725,872.88 - Step 4: Simplify right side
64,247,603.12x = 1,515,544,002,121,462.75 - Step 5: Solve for x
x = 1,515,544,002,121,462.75/64,247,603.12 - Step 6: Final answer
x = 23,589,113.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.