Finding the Fourth Proportional to 10,767,220.38, 14,858,239.86 and 6,416,209.80
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Solution
The fourth proportional to 10,767,220.38, 14,858,239.86 and 6,416,209.80 is: 8,854,057.11
Step by Step Solution
- Step 1: Write the proportion equation
10,767,220.38 : 14,858,239.86 = 6,416,209.80 : x - Step 2: Convert to fraction form
10,767,220.38/14,858,239.86 = 6,416,209.80/x - Step 3: Cross multiply
10,767,220.38x = 14,858,239.86 × 6,416,209.80 - Step 4: Simplify right side
10,767,220.38x = 95,333,584,200,482.62 - Step 5: Solve for x
x = 95,333,584,200,482.62/10,767,220.38 - Step 6: Final answer
x = 8,854,057.11
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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.