Finding the Fourth Proportional to 7,235,347.63, 9,984,896.73 and 3,972,463.15
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Solution
The fourth proportional to 7,235,347.63, 9,984,896.73 and 3,972,463.15 is: 5,482,063.38
Step by Step Solution
- Step 1: Write the proportion equation
7,235,347.63 : 9,984,896.73 = 3,972,463.15 : x - Step 2: Convert to fraction form
7,235,347.63/9,984,896.73 = 3,972,463.15/x - Step 3: Cross multiply
7,235,347.63x = 9,984,896.73 × 3,972,463.15 - Step 4: Simplify right side
7,235,347.63x = 39,664,634,316,480.50 - Step 5: Solve for x
x = 39,664,634,316,480.50/7,235,347.63 - Step 6: Final answer
x = 5,482,063.38
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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.