Finding the Fourth Proportional to 12,807,496.14, 19,211,523.96 and 5,134,754.28
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Solution
The fourth proportional to 12,807,496.14, 19,211,523.96 and 5,134,754.28 is: 7,702,243.58
Step by Step Solution
- Step 1: Write the proportion equation
12,807,496.14 : 19,211,523.96 = 5,134,754.28 : x - Step 2: Convert to fraction form
12,807,496.14/19,211,523.96 = 5,134,754.28/x - Step 3: Cross multiply
12,807,496.14x = 19,211,523.96 × 5,134,754.28 - Step 4: Simplify right side
12,807,496.14x = 98,646,454,878,932.56 - Step 5: Solve for x
x = 98,646,454,878,932.56/12,807,496.14 - Step 6: Final answer
x = 7,702,243.58
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1.5x scale
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.