Finding the Fourth Proportional to 21,017,606.96, 29,004,310.08 and 11,725,176.99
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Solution
The fourth proportional to 21,017,606.96, 29,004,310.08 and 11,725,176.99 is: 16,180,751.21
Step by Step Solution
- Step 1: Write the proportion equation
21,017,606.96 : 29,004,310.08 = 11,725,176.99 : x - Step 2: Convert to fraction form
21,017,606.96/29,004,310.08 = 11,725,176.99/x - Step 3: Cross multiply
21,017,606.96x = 29,004,310.08 × 11,725,176.99 - Step 4: Simplify right side
21,017,606.96x = 340,080,669,160,841.06 - Step 5: Solve for x
x = 340,080,669,160,841.06/21,017,606.96 - Step 6: Final answer
x = 16,180,751.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.