Finding the Fourth Proportional to 7,643,868.15, 10,544,518.28 and 4,544,186.62
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Solution
The fourth proportional to 7,643,868.15, 10,544,518.28 and 4,544,186.62 is: 6,268,587.83
Step by Step Solution
- Step 1: Write the proportion equation
7,643,868.15 : 10,544,518.28 = 4,544,186.62 : x - Step 2: Convert to fraction form
7,643,868.15/10,544,518.28 = 4,544,186.62/x - Step 3: Cross multiply
7,643,868.15x = 10,544,518.28 × 4,544,186.62 - Step 4: Simplify right side
7,643,868.15x = 47,916,258,882,321.41 - Step 5: Solve for x
x = 47,916,258,882,321.41/7,643,868.15 - Step 6: Final answer
x = 6,268,587.83
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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.