Finding the Fourth Proportional to 10,940,390.87, 16,411,286.14 and 4,208,804.87
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Solution
The fourth proportional to 10,940,390.87, 16,411,286.14 and 4,208,804.87 is: 6,313,476.53
Step by Step Solution
- Step 1: Write the proportion equation
10,940,390.87 : 16,411,286.14 = 4,208,804.87 : x - Step 2: Convert to fraction form
10,940,390.87/16,411,286.14 = 4,208,804.87/x - Step 3: Cross multiply
10,940,390.87x = 16,411,286.14 × 4,208,804.87 - Step 4: Simplify right side
10,940,390.87x = 69,071,900,936,417.06 - Step 5: Solve for x
x = 69,071,900,936,417.06/10,940,390.87 - Step 6: Final answer
x = 6,313,476.53
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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.