Finding the Fourth Proportional to 8,518,392.68, 11,756,412.78 and 4,848,201.68
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Solution
The fourth proportional to 8,518,392.68, 11,756,412.78 and 4,848,201.68 is: 6,691,105.04
Step by Step Solution
- Step 1: Write the proportion equation
8,518,392.68 : 11,756,412.78 = 4,848,201.68 : x - Step 2: Convert to fraction form
8,518,392.68/11,756,412.78 = 4,848,201.68/x - Step 3: Cross multiply
8,518,392.68x = 11,756,412.78 × 4,848,201.68 - Step 4: Simplify right side
8,518,392.68x = 56,997,460,190,769.46 - Step 5: Solve for x
x = 56,997,460,190,769.46/8,518,392.68 - Step 6: Final answer
x = 6,691,105.04
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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.