Finding the Fourth Proportional to 7,329,477.97, 10,115,158.80 and 4,232,131.87
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Solution
The fourth proportional to 7,329,477.97, 10,115,158.80 and 4,232,131.87 is: 5,840,618.68
Step by Step Solution
- Step 1: Write the proportion equation
7,329,477.97 : 10,115,158.80 = 4,232,131.87 : x - Step 2: Convert to fraction form
7,329,477.97/10,115,158.80 = 4,232,131.87/x - Step 3: Cross multiply
7,329,477.97x = 10,115,158.80 × 4,232,131.87 - Step 4: Simplify right side
7,329,477.97x = 42,808,685,945,920.41 - Step 5: Solve for x
x = 42,808,685,945,920.41/7,329,477.97 - Step 6: Final answer
x = 5,840,618.68
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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.