Finding the Fourth Proportional to 19,246,288.96, 28,869,470.52 and 4,673,147.01
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Solution
The fourth proportional to 19,246,288.96, 28,869,470.52 and 4,673,147.01 is: 7,009,729.52
Step by Step Solution
- Step 1: Write the proportion equation
19,246,288.96 : 28,869,470.52 = 4,673,147.01 : x - Step 2: Convert to fraction form
19,246,288.96/28,869,470.52 = 4,673,147.01/x - Step 3: Cross multiply
19,246,288.96x = 28,869,470.52 × 4,673,147.01 - Step 4: Simplify right side
19,246,288.96x = 134,911,279,840,821.14 - Step 5: Solve for x
x = 134,911,279,840,821.14/19,246,288.96 - Step 6: Final answer
x = 7,009,729.52
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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.