Finding the Fourth Proportional to 16,161,056.99, 22,302,731.87 and 8,819,363.19
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Solution
The fourth proportional to 16,161,056.99, 22,302,731.87 and 8,819,363.19 is: 12,170,979.45
Step by Step Solution
- Step 1: Write the proportion equation
16,161,056.99 : 22,302,731.87 = 8,819,363.19 : x - Step 2: Convert to fraction form
16,161,056.99/22,302,731.87 = 8,819,363.19/x - Step 3: Cross multiply
16,161,056.99x = 22,302,731.87 × 8,819,363.19 - Step 4: Simplify right side
16,161,056.99x = 196,695,892,490,717.88 - Step 5: Solve for x
x = 196,695,892,490,717.88/16,161,056.99 - Step 6: Final answer
x = 12,170,979.45
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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.