Finding the Fourth Proportional to 18,233,921.20, 27,352,330.08 and 6,103,448.68
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Solution
The fourth proportional to 18,233,921.20, 27,352,330.08 and 6,103,448.68 is: 9,155,657.80
Step by Step Solution
- Step 1: Write the proportion equation
18,233,921.20 : 27,352,330.08 = 6,103,448.68 : x - Step 2: Convert to fraction form
18,233,921.20/27,352,330.08 = 6,103,448.68/x - Step 3: Cross multiply
18,233,921.20x = 27,352,330.08 × 6,103,448.68 - Step 4: Simplify right side
18,233,921.20x = 166,943,542,921,700.28 - Step 5: Solve for x
x = 166,943,542,921,700.28/18,233,921.20 - Step 6: Final answer
x = 9,155,657.80
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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.