Finding the Fourth Proportional to 16,161,354.18, 22,303,139.76 and 8,819,660.16
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Solution
The fourth proportional to 16,161,354.18, 22,303,139.76 and 8,819,660.16 is: 12,171,388.05
Step by Step Solution
- Step 1: Write the proportion equation
16,161,354.18 : 22,303,139.76 = 8,819,660.16 : x - Step 2: Convert to fraction form
16,161,354.18/22,303,139.76 = 8,819,660.16/x - Step 3: Cross multiply
16,161,354.18x = 22,303,139.76 × 8,819,660.16 - Step 4: Simplify right side
16,161,354.18x = 196,706,113,184,183.97 - Step 5: Solve for x
x = 196,706,113,184,183.97/16,161,354.18 - Step 6: Final answer
x = 12,171,388.05
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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.