Finding the Fourth Proportional to 10,878,469.43, 16,312,088.68 and 3,201,116.49
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Solution
The fourth proportional to 10,878,469.43, 16,312,088.68 and 3,201,116.49 is: 4,800,022.32
Step by Step Solution
- Step 1: Write the proportion equation
10,878,469.43 : 16,312,088.68 = 3,201,116.49 : x - Step 2: Convert to fraction form
10,878,469.43/16,312,088.68 = 3,201,116.49/x - Step 3: Cross multiply
10,878,469.43x = 16,312,088.68 × 3,201,116.49 - Step 4: Simplify right side
10,878,469.43x = 52,216,896,043,884.76 - Step 5: Solve for x
x = 52,216,896,043,884.76/10,878,469.43 - Step 6: Final answer
x = 4,800,022.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.