Finding the Fourth Proportional to 7,236,032.20, 10,854,048.30 and 6,844,121.80
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Solution
The fourth proportional to 7,236,032.20, 10,854,048.30 and 6,844,121.80 is: 10,266,182.70
Step by Step Solution
- Step 1: Write the proportion equation
7,236,032.20 : 10,854,048.30 = 6,844,121.80 : x - Step 2: Convert to fraction form
7,236,032.20/10,854,048.30 = 6,844,121.80/x - Step 3: Cross multiply
7,236,032.20x = 10,854,048.30 × 6,844,121.80 - Step 4: Simplify right side
7,236,032.20x = 74,286,428,588,282.94 - Step 5: Solve for x
x = 74,286,428,588,282.94/7,236,032.20 - Step 6: Final answer
x = 10,266,182.70
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1.5x scale
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.