Finding the Fourth Proportional to 6,817,745.28, 10,226,629.55 and 5,460,153.42
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Solution
The fourth proportional to 6,817,745.28, 10,226,629.55 and 5,460,153.42 is: 8,190,239.45
Step by Step Solution
- Step 1: Write the proportion equation
6,817,745.28 : 10,226,629.55 = 5,460,153.42 : x - Step 2: Convert to fraction form
6,817,745.28/10,226,629.55 = 5,460,153.42/x - Step 3: Cross multiply
6,817,745.28x = 10,226,629.55 × 5,460,153.42 - Step 4: Simplify right side
6,817,745.28x = 55,838,966,364,505.80 - Step 5: Solve for x
x = 55,838,966,364,505.80/6,817,745.28 - Step 6: Final answer
x = 8,190,239.45
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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.