Finding the Fourth Proportional to 14,474,612.87, 19,975,312.80 and 7,859,480.14
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Solution
The fourth proportional to 14,474,612.87, 19,975,312.80 and 7,859,480.14 is: 10,846,271.03
Step by Step Solution
- Step 1: Write the proportion equation
14,474,612.87 : 19,975,312.80 = 7,859,480.14 : x - Step 2: Convert to fraction form
14,474,612.87/19,975,312.80 = 7,859,480.14/x - Step 3: Cross multiply
14,474,612.87x = 19,975,312.80 × 7,859,480.14 - Step 4: Simplify right side
14,474,612.87x = 156,995,574,284,693.16 - Step 5: Solve for x
x = 156,995,574,284,693.16/14,474,612.87 - Step 6: Final answer
x = 10,846,271.03
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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.