Finding the Fourth Proportional to 10,400,179.36, 14,351,722.36 and 5,690,472.93
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Solution
The fourth proportional to 10,400,179.36, 14,351,722.36 and 5,690,472.93 is: 7,852,565.30
Step by Step Solution
- Step 1: Write the proportion equation
10,400,179.36 : 14,351,722.36 = 5,690,472.93 : x - Step 2: Convert to fraction form
10,400,179.36/14,351,722.36 = 5,690,472.93/x - Step 3: Cross multiply
10,400,179.36x = 14,351,722.36 × 5,690,472.93 - Step 4: Simplify right side
10,400,179.36x = 81,668,087,573,880.70 - Step 5: Solve for x
x = 81,668,087,573,880.70/10,400,179.36 - Step 6: Final answer
x = 7,852,565.30
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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.