Finding the Fourth Proportional to 7,098,277.20, 10,647,415.80 and 4,263,925.20
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Solution
The fourth proportional to 7,098,277.20, 10,647,415.80 and 4,263,925.20 is: 6,395,887.80
Step by Step Solution
- Step 1: Write the proportion equation
7,098,277.20 : 10,647,415.80 = 4,263,925.20 : x - Step 2: Convert to fraction form
7,098,277.20/10,647,415.80 = 4,263,925.20/x - Step 3: Cross multiply
7,098,277.20x = 10,647,415.80 × 4,263,925.20 - Step 4: Simplify right side
7,098,277.20x = 45,399,784,544,498.16 - Step 5: Solve for x
x = 45,399,784,544,498.16/7,098,277.20 - Step 6: Final answer
x = 6,395,887.80
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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.