Finding the Fourth Proportional to 19,271,114.16, 28,914,236.99 and 8,480,845.94
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Solution
The fourth proportional to 19,271,114.16, 28,914,236.99 and 8,480,845.94 is: 12,724,598.45
Step by Step Solution
- Step 1: Write the proportion equation
19,271,114.16 : 28,914,236.99 = 8,480,845.94 : x - Step 2: Convert to fraction form
19,271,114.16/28,914,236.99 = 8,480,845.94/x - Step 3: Cross multiply
19,271,114.16x = 28,914,236.99 × 8,480,845.94 - Step 4: Simplify right side
19,271,114.16x = 245,217,189,229,667.09 - Step 5: Solve for x
x = 245,217,189,229,667.09/19,271,114.16 - Step 6: Final answer
x = 12,724,598.45
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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.