Finding the Fourth Proportional to 14,378,803.18, 21,578,917.14 and 10,550,518.11
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Solution
The fourth proportional to 14,378,803.18, 21,578,917.14 and 10,550,518.11 is: 15,833,637.42
Step by Step Solution
- Step 1: Write the proportion equation
14,378,803.18 : 21,578,917.14 = 10,550,518.11 : x - Step 2: Convert to fraction form
14,378,803.18/21,578,917.14 = 10,550,518.11/x - Step 3: Cross multiply
14,378,803.18x = 21,578,917.14 × 10,550,518.11 - Step 4: Simplify right side
14,378,803.18x = 227,668,756,079,759.41 - Step 5: Solve for x
x = 227,668,756,079,759.41/14,378,803.18 - Step 6: Final answer
x = 15,833,637.42
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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.