Finding the Fourth Proportional to 26,836,743.99, 40,217,873.09 and 12,227,961.56
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Solution
The fourth proportional to 26,836,743.99, 40,217,873.09 and 12,227,961.56 is: 18,324,972.88
Step by Step Solution
- Step 1: Write the proportion equation
26,836,743.99 : 40,217,873.09 = 12,227,961.56 : x - Step 2: Convert to fraction form
26,836,743.99/40,217,873.09 = 12,227,961.56/x - Step 3: Cross multiply
26,836,743.99x = 40,217,873.09 × 12,227,961.56 - Step 4: Simplify right side
26,836,743.99x = 491,782,605,953,104.06 - Step 5: Solve for x
x = 491,782,605,953,104.06/26,836,743.99 - Step 6: Final answer
x = 18,324,972.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.