Finding the Fourth Proportional to 14,964,641.99, 20,658,157.91 and 8,768,828.80
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Solution
The fourth proportional to 14,964,641.99, 20,658,157.91 and 8,768,828.80 is: 12,105,057.38
Step by Step Solution
- Step 1: Write the proportion equation
14,964,641.99 : 20,658,157.91 = 8,768,828.80 : x - Step 2: Convert to fraction form
14,964,641.99/20,658,157.91 = 8,768,828.80/x - Step 3: Cross multiply
14,964,641.99x = 20,658,157.91 × 8,768,828.80 - Step 4: Simplify right side
14,964,641.99x = 181,147,849,959,473.25 - Step 5: Solve for x
x = 181,147,849,959,473.25/14,964,641.99 - Step 6: Final answer
x = 12,105,057.38
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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.