Finding the Fourth Proportional to 7,240,923.40, 10,845,638.70 and 4,396,073.80
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Solution
The fourth proportional to 7,240,923.40, 10,845,638.70 and 4,396,073.80 is: 6,584,550.82
Step by Step Solution
- Step 1: Write the proportion equation
7,240,923.40 : 10,845,638.70 = 4,396,073.80 : x - Step 2: Convert to fraction form
7,240,923.40/10,845,638.70 = 4,396,073.80/x - Step 3: Cross multiply
7,240,923.40x = 10,845,638.70 × 4,396,073.80 - Step 4: Simplify right side
7,240,923.40x = 47,678,228,133,336.05 - Step 5: Solve for x
x = 47,678,228,133,336.05/7,240,923.40 - Step 6: Final answer
x = 6,584,550.82
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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.