Finding the Fourth Proportional to 7,365,220.80, 11,029,168.80 and 5,872,228.80
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Solution
The fourth proportional to 7,365,220.80, 11,029,168.80 and 5,872,228.80 is: 8,793,463.82
Step by Step Solution
- Step 1: Write the proportion equation
7,365,220.80 : 11,029,168.80 = 5,872,228.80 : x - Step 2: Convert to fraction form
7,365,220.80/11,029,168.80 = 5,872,228.80/x - Step 3: Cross multiply
7,365,220.80x = 11,029,168.80 × 5,872,228.80 - Step 4: Simplify right side
7,365,220.80x = 64,765,802,667,421.45 - Step 5: Solve for x
x = 64,765,802,667,421.45/7,365,220.80 - Step 6: Final answer
x = 8,793,463.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.