Finding the Fourth Proportional to 7,281,453.35, 10,048,646.99 and 3,973,928.68
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Solution
The fourth proportional to 7,281,453.35, 10,048,646.99 and 3,973,928.68 is: 5,484,153.31
Step by Step Solution
- Step 1: Write the proportion equation
7,281,453.35 : 10,048,646.99 = 3,973,928.68 : x - Step 2: Convert to fraction form
7,281,453.35/10,048,646.99 = 3,973,928.68/x - Step 3: Cross multiply
7,281,453.35x = 10,048,646.99 × 3,973,928.68 - Step 4: Simplify right side
7,281,453.35x = 39,932,606,468,898.95 - Step 5: Solve for x
x = 39,932,606,468,898.95/7,281,453.35 - Step 6: Final answer
x = 5,484,153.31
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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.