Finding the Fourth Proportional to 15,971,575.92, 22,014,952.92 and 12,480,847.80
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Solution
The fourth proportional to 15,971,575.92, 22,014,952.92 and 12,480,847.80 is: 17,203,391.71
Step by Step Solution
- Step 1: Write the proportion equation
15,971,575.92 : 22,014,952.92 = 12,480,847.80 : x - Step 2: Convert to fraction form
15,971,575.92/22,014,952.92 = 12,480,847.80/x - Step 3: Cross multiply
15,971,575.92x = 22,014,952.92 × 12,480,847.80 - Step 4: Simplify right side
15,971,575.92x = 274,765,276,718,685.62 - Step 5: Solve for x
x = 274,765,276,718,685.62/15,971,575.92 - Step 6: Final answer
x = 17,203,391.71
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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.