Finding the Fourth Proportional to 7,112,104.26, 9,808,041.90 and 4,720,944.99
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Solution
The fourth proportional to 7,112,104.26, 9,808,041.90 and 4,720,944.99 is: 6,510,481.92
Step by Step Solution
- Step 1: Write the proportion equation
7,112,104.26 : 9,808,041.90 = 4,720,944.99 : x - Step 2: Convert to fraction form
7,112,104.26/9,808,041.90 = 4,720,944.99/x - Step 3: Cross multiply
7,112,104.26x = 9,808,041.90 × 4,720,944.99 - Step 4: Simplify right side
7,112,104.26x = 46,303,226,196,870.15 - Step 5: Solve for x
x = 46,303,226,196,870.15/7,112,104.26 - Step 6: Final answer
x = 6,510,481.92
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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.