Finding the Fourth Proportional to 7,337,768.15, 10,126,761.73 and 4,075,220.70
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Solution
The fourth proportional to 7,337,768.15, 10,126,761.73 and 4,075,220.70 is: 5,624,160.94
Step by Step Solution
- Step 1: Write the proportion equation
7,337,768.15 : 10,126,761.73 = 4,075,220.70 : x - Step 2: Convert to fraction form
7,337,768.15/10,126,761.73 = 4,075,220.70/x - Step 3: Cross multiply
7,337,768.15x = 10,126,761.73 × 4,075,220.70 - Step 4: Simplify right side
7,337,768.15x = 41,268,789,015,875.76 - Step 5: Solve for x
x = 41,268,789,015,875.76/7,337,768.15 - Step 6: Final answer
x = 5,624,160.94
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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.