Finding the Fourth Proportional to 8,126,174.28, 12,201,419.83 and 7,035,332.70
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Solution
The fourth proportional to 8,126,174.28, 12,201,419.83 and 7,035,332.70 is: 10,563,525.33
Step by Step Solution
- Step 1: Write the proportion equation
8,126,174.28 : 12,201,419.83 = 7,035,332.70 : x - Step 2: Convert to fraction form
8,126,174.28/12,201,419.83 = 7,035,332.70/x - Step 3: Cross multiply
8,126,174.28x = 12,201,419.83 × 7,035,332.70 - Step 4: Simplify right side
8,126,174.28x = 85,841,047,842,322.47 - Step 5: Solve for x
x = 85,841,047,842,322.47/8,126,174.28 - Step 6: Final answer
x = 10,563,525.33
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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.