Finding the Fourth Proportional to 19,024,732.36, 28,546,429.74 and 8,928,174.28
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Solution
The fourth proportional to 19,024,732.36, 28,546,429.74 and 8,928,174.28 is: 13,396,640.49
Step by Step Solution
- Step 1: Write the proportion equation
19,024,732.36 : 28,546,429.74 = 8,928,174.28 : x - Step 2: Convert to fraction form
19,024,732.36/28,546,429.74 = 8,928,174.28/x - Step 3: Cross multiply
19,024,732.36x = 28,546,429.74 × 8,928,174.28 - Step 4: Simplify right side
19,024,732.36x = 254,867,499,790,495.06 - Step 5: Solve for x
x = 254,867,499,790,495.06/19,024,732.36 - Step 6: Final answer
x = 13,396,640.49
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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.