Finding the Fourth Proportional to 13,660,740.28, 18,850,216.62 and 7,548,804.28
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Solution
The fourth proportional to 13,660,740.28, 18,850,216.62 and 7,548,804.28 is: 10,416,463.02
Step by Step Solution
- Step 1: Write the proportion equation
13,660,740.28 : 18,850,216.62 = 7,548,804.28 : x - Step 2: Convert to fraction form
13,660,740.28/18,850,216.62 = 7,548,804.28/x - Step 3: Cross multiply
13,660,740.28x = 18,850,216.62 × 7,548,804.28 - Step 4: Simplify right side
13,660,740.28x = 142,296,595,899,983.16 - Step 5: Solve for x
x = 142,296,595,899,983.16/13,660,740.28 - Step 6: Final answer
x = 10,416,463.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.