Finding the Fourth Proportional to 18,516,927.50, 27,776,719.84 and 6,386,212.56
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Solution
The fourth proportional to 18,516,927.50, 27,776,719.84 and 6,386,212.56 is: 9,579,777.05
Step by Step Solution
- Step 1: Write the proportion equation
18,516,927.50 : 27,776,719.84 = 6,386,212.56 : x - Step 2: Convert to fraction form
18,516,927.50/27,776,719.84 = 6,386,212.56/x - Step 3: Cross multiply
18,516,927.50x = 27,776,719.84 × 6,386,212.56 - Step 4: Simplify right side
18,516,927.50x = 177,388,037,117,809.19 - Step 5: Solve for x
x = 177,388,037,117,809.19/18,516,927.50 - Step 6: Final answer
x = 9,579,777.05
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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.