Finding the Fourth Proportional to 8,128,225.74, 12,199,648.05 and 4,344,942.54
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Solution
The fourth proportional to 8,128,225.74, 12,199,648.05 and 4,344,942.54 is: 6,521,321.07
Step by Step Solution
- Step 1: Write the proportion equation
8,128,225.74 : 12,199,648.05 = 4,344,942.54 : x - Step 2: Convert to fraction form
8,128,225.74/12,199,648.05 = 4,344,942.54/x - Step 3: Cross multiply
8,128,225.74x = 12,199,648.05 × 4,344,942.54 - Step 4: Simplify right side
8,128,225.74x = 53,006,769,785,473.05 - Step 5: Solve for x
x = 53,006,769,785,473.05/8,128,225.74 - Step 6: Final answer
x = 6,521,321.07
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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.