Finding the Fourth Proportional to 7,130,481.28, 10,668,558.84 and 6,270,727.84
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Solution
The fourth proportional to 7,130,481.28, 10,668,558.84 and 6,270,727.84 is: 9,382,203.85
Step by Step Solution
- Step 1: Write the proportion equation
7,130,481.28 : 10,668,558.84 = 6,270,727.84 : x - Step 2: Convert to fraction form
7,130,481.28/10,668,558.84 = 6,270,727.84/x - Step 3: Cross multiply
7,130,481.28x = 10,668,558.84 × 6,270,727.84 - Step 4: Simplify right side
7,130,481.28x = 66,899,628,930,666.10 - Step 5: Solve for x
x = 66,899,628,930,666.10/7,130,481.28 - Step 6: Final answer
x = 9,382,203.85
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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.