Finding the Fourth Proportional to 10,930,349.85, 15,085,212.71 and 6,346,671.09
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Solution
The fourth proportional to 10,930,349.85, 15,085,212.71 and 6,346,671.09 is: 8,759,178.32
Step by Step Solution
- Step 1: Write the proportion equation
10,930,349.85 : 15,085,212.71 = 6,346,671.09 : x - Step 2: Convert to fraction form
10,930,349.85/15,085,212.71 = 6,346,671.09/x - Step 3: Cross multiply
10,930,349.85x = 15,085,212.71 × 6,346,671.09 - Step 4: Simplify right side
10,930,349.85x = 95,740,883,393,057.56 - Step 5: Solve for x
x = 95,740,883,393,057.56/10,930,349.85 - Step 6: Final answer
x = 8,759,178.32
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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.