Finding the Fourth Proportional to 7,485,124.80, 11,211,940.80 and 6,225,412.80
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Solution
The fourth proportional to 7,485,124.80, 11,211,940.80 and 6,225,412.80 is: 9,325,022.85
Step by Step Solution
- Step 1: Write the proportion equation
7,485,124.80 : 11,211,940.80 = 6,225,412.80 : x - Step 2: Convert to fraction form
7,485,124.80/11,211,940.80 = 6,225,412.80/x - Step 3: Cross multiply
7,485,124.80x = 11,211,940.80 × 6,225,412.80 - Step 4: Simplify right side
7,485,124.80x = 69,798,959,769,162.24 - Step 5: Solve for x
x = 69,798,959,769,162.24/7,485,124.80 - Step 6: Final answer
x = 9,325,022.85
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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.