Finding the Fourth Proportional to 10,238,989.64, 15,352,542.56 and 4,847,594.54
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Solution
The fourth proportional to 10,238,989.64, 15,352,542.56 and 4,847,594.54 is: 7,268,578.65
Step by Step Solution
- Step 1: Write the proportion equation
10,238,989.64 : 15,352,542.56 = 4,847,594.54 : x - Step 2: Convert to fraction form
10,238,989.64/15,352,542.56 = 4,847,594.54/x - Step 3: Cross multiply
10,238,989.64x = 15,352,542.56 × 4,847,594.54 - Step 4: Simplify right side
10,238,989.64x = 74,422,901,488,973.62 - Step 5: Solve for x
x = 74,422,901,488,973.62/10,238,989.64 - Step 6: Final answer
x = 7,268,578.65
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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.