Finding the Fourth Proportional to 7,882,502.54, 10,877,848.68 and 4,260,830.54
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Solution
The fourth proportional to 7,882,502.54, 10,877,848.68 and 4,260,830.54 is: 5,879,943.54
Step by Step Solution
- Step 1: Write the proportion equation
7,882,502.54 : 10,877,848.68 = 4,260,830.54 : x - Step 2: Convert to fraction form
7,882,502.54/10,877,848.68 = 4,260,830.54/x - Step 3: Cross multiply
7,882,502.54x = 10,877,848.68 × 4,260,830.54 - Step 4: Simplify right side
7,882,502.54x = 46,348,669,865,242.69 - Step 5: Solve for x
x = 46,348,669,865,242.69/7,882,502.54 - Step 6: Final answer
x = 5,879,943.54
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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.