Finding the Fourth Proportional to 7,216,627.23, 10,828,497.47 and 3,378,709.44
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Solution
The fourth proportional to 7,216,627.23, 10,828,497.47 and 3,378,709.44 is: 5,069,729.31
Step by Step Solution
- Step 1: Write the proportion equation
7,216,627.23 : 10,828,497.47 = 3,378,709.44 : x - Step 2: Convert to fraction form
7,216,627.23/10,828,497.47 = 3,378,709.44/x - Step 3: Cross multiply
7,216,627.23x = 10,828,497.47 × 3,378,709.44 - Step 4: Simplify right side
7,216,627.23x = 36,586,346,606,011.57 - Step 5: Solve for x
x = 36,586,346,606,011.57/7,216,627.23 - Step 6: Final answer
x = 5,069,729.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.