Finding the Fourth Proportional to 16,203,201.68, 22,360,294.68 and 8,861,005.28
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Solution
The fourth proportional to 16,203,201.68, 22,360,294.68 and 8,861,005.28 is: 12,228,119.67
Step by Step Solution
- Step 1: Write the proportion equation
16,203,201.68 : 22,360,294.68 = 8,861,005.28 : x - Step 2: Convert to fraction form
16,203,201.68/22,360,294.68 = 8,861,005.28/x - Step 3: Cross multiply
16,203,201.68x = 22,360,294.68 × 8,861,005.28 - Step 4: Simplify right side
16,203,201.68x = 198,134,689,221,835.91 - Step 5: Solve for x
x = 198,134,689,221,835.91/16,203,201.68 - Step 6: Final answer
x = 12,228,119.67
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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.