Finding the Fourth Proportional to 16,646,820.68, 24,794,695.01 and 15,899,913.92
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Solution
The fourth proportional to 16,646,820.68, 24,794,695.01 and 15,899,913.92 is: 23,682,210.79
Step by Step Solution
- Step 1: Write the proportion equation
16,646,820.68 : 24,794,695.01 = 15,899,913.92 : x - Step 2: Convert to fraction form
16,646,820.68/24,794,695.01 = 15,899,913.92/x - Step 3: Cross multiply
16,646,820.68x = 24,794,695.01 × 15,899,913.92 - Step 4: Simplify right side
16,646,820.68x = 394,233,516,433,390.06 - Step 5: Solve for x
x = 394,233,516,433,390.06/16,646,820.68 - Step 6: Final answer
x = 23,682,210.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.