Finding the Fourth Proportional to 10,784,767.36, 14,883,346.20 and 6,378,270.34
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Solution
The fourth proportional to 10,784,767.36, 14,883,346.20 and 6,378,270.34 is: 8,802,230.26
Step by Step Solution
- Step 1: Write the proportion equation
10,784,767.36 : 14,883,346.20 = 6,378,270.34 : x - Step 2: Convert to fraction form
10,784,767.36/14,883,346.20 = 6,378,270.34/x - Step 3: Cross multiply
10,784,767.36x = 14,883,346.20 × 6,378,270.34 - Step 4: Simplify right side
10,784,767.36x = 94,930,005,627,411.70 - Step 5: Solve for x
x = 94,930,005,627,411.70/10,784,767.36 - Step 6: Final answer
x = 8,802,230.26
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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.