Finding the Fourth Proportional to 12,832,904.24, 17,708,230.20 and 7,399,346.48
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Solution
The fourth proportional to 12,832,904.24, 17,708,230.20 and 7,399,346.48 is: 10,210,419.12
Step by Step Solution
- Step 1: Write the proportion equation
12,832,904.24 : 17,708,230.20 = 7,399,346.48 : x - Step 2: Convert to fraction form
12,832,904.24/17,708,230.20 = 7,399,346.48/x - Step 3: Cross multiply
12,832,904.24x = 17,708,230.20 × 7,399,346.48 - Step 4: Simplify right side
12,832,904.24x = 131,029,330,797,399.70 - Step 5: Solve for x
x = 131,029,330,797,399.70/12,832,904.24 - Step 6: Final answer
x = 10,210,419.12
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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.