Finding the Fourth Proportional to 16,008,645.95, 22,091,830.07 and 8,666,425.65
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Solution
The fourth proportional to 16,008,645.95, 22,091,830.07 and 8,666,425.65 is: 11,959,612.54
Step by Step Solution
- Step 1: Write the proportion equation
16,008,645.95 : 22,091,830.07 = 8,666,425.65 : x - Step 2: Convert to fraction form
16,008,645.95/22,091,830.07 = 8,666,425.65/x - Step 3: Cross multiply
16,008,645.95x = 22,091,830.07 × 8,666,425.65 - Step 4: Simplify right side
16,008,645.95x = 191,457,202,730,757.19 - Step 5: Solve for x
x = 191,457,202,730,757.19/16,008,645.95 - Step 6: Final answer
x = 11,959,612.54
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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.