Finding the Fourth Proportional to 8,102,103.52, 11,134,141.04 and 7,727,426.68
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Solution
The fourth proportional to 8,102,103.52, 11,134,141.04 and 7,727,426.68 is: 10,619,249.47
Step by Step Solution
- Step 1: Write the proportion equation
8,102,103.52 : 11,134,141.04 = 7,727,426.68 : x - Step 2: Convert to fraction form
8,102,103.52/11,134,141.04 = 7,727,426.68/x - Step 3: Cross multiply
8,102,103.52x = 11,134,141.04 × 7,727,426.68 - Step 4: Simplify right side
8,102,103.52x = 86,038,258,531,378.94 - Step 5: Solve for x
x = 86,038,258,531,378.94/8,102,103.52 - Step 6: Final answer
x = 10,619,249.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.