Finding the Fourth Proportional to 15,544,496.80, 23,316,745.20 and 13,906,871.20
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Solution
The fourth proportional to 15,544,496.80, 23,316,745.20 and 13,906,871.20 is: 20,860,306.80
Step by Step Solution
- Step 1: Write the proportion equation
15,544,496.80 : 23,316,745.20 = 13,906,871.20 : x - Step 2: Convert to fraction form
15,544,496.80/23,316,745.20 = 13,906,871.20/x - Step 3: Cross multiply
15,544,496.80x = 23,316,745.20 × 13,906,871.20 - Step 4: Simplify right side
15,544,496.80x = 324,262,972,299,618.19 - Step 5: Solve for x
x = 324,262,972,299,618.19/15,544,496.80 - Step 6: Final answer
x = 20,860,306.80
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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.