Finding the Fourth Proportional to 7,041,340.16, 9,716,991.36 and 3,985,527.68
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Solution
The fourth proportional to 7,041,340.16, 9,716,991.36 and 3,985,527.68 is: 5,499,995.33
Step by Step Solution
- Step 1: Write the proportion equation
7,041,340.16 : 9,716,991.36 = 3,985,527.68 : x - Step 2: Convert to fraction form
7,041,340.16/9,716,991.36 = 3,985,527.68/x - Step 3: Cross multiply
7,041,340.16x = 9,716,991.36 × 3,985,527.68 - Step 4: Simplify right side
7,041,340.16x = 38,727,338,031,600.84 - Step 5: Solve for x
x = 38,727,338,031,600.84/7,041,340.16 - Step 6: Final answer
x = 5,499,995.33
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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.