Finding the Fourth Proportional to 12,064,966.70, 16,649,536.74 and 8,981,280.14
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Solution
The fourth proportional to 12,064,966.70, 16,649,536.74 and 8,981,280.14 is: 12,394,079.27
Step by Step Solution
- Step 1: Write the proportion equation
12,064,966.70 : 16,649,536.74 = 8,981,280.14 : x - Step 2: Convert to fraction form
12,064,966.70/16,649,536.74 = 8,981,280.14/x - Step 3: Cross multiply
12,064,966.70x = 16,649,536.74 × 8,981,280.14 - Step 4: Simplify right side
12,064,966.70x = 149,534,153,663,162.34 - Step 5: Solve for x
x = 149,534,153,663,162.34/12,064,966.70 - Step 6: Final answer
x = 12,394,079.27
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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.