Finding the Fourth Proportional to 14,828,764.34, 20,461,944.66 and 8,549,220.98
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Solution
The fourth proportional to 14,828,764.34, 20,461,944.66 and 8,549,220.98 is: 11,796,915.95
Step by Step Solution
- Step 1: Write the proportion equation
14,828,764.34 : 20,461,944.66 = 8,549,220.98 : x - Step 2: Convert to fraction form
14,828,764.34/20,461,944.66 = 8,549,220.98/x - Step 3: Cross multiply
14,828,764.34x = 20,461,944.66 × 8,549,220.98 - Step 4: Simplify right side
14,828,764.34x = 174,933,686,578,870.97 - Step 5: Solve for x
x = 174,933,686,578,870.97/14,828,764.34 - Step 6: Final answer
x = 11,796,915.95
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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.