Finding the Fourth Proportional to 10,102,470.95, 15,153,837.74 and 3,370,884.95
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Solution
The fourth proportional to 10,102,470.95, 15,153,837.74 and 3,370,884.95 is: 5,056,371.23
Step by Step Solution
- Step 1: Write the proportion equation
10,102,470.95 : 15,153,837.74 = 3,370,884.95 : x - Step 2: Convert to fraction form
10,102,470.95/15,153,837.74 = 3,370,884.95/x - Step 3: Cross multiply
10,102,470.95x = 15,153,837.74 × 3,370,884.95 - Step 4: Simplify right side
10,102,470.95x = 51,081,843,479,884.40 - Step 5: Solve for x
x = 51,081,843,479,884.40/10,102,470.95 - Step 6: Final answer
x = 5,056,371.23
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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.