Finding the Fourth Proportional to 8,292,034.80, 12,438,052.20 and 4,704,808.05
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Solution
The fourth proportional to 8,292,034.80, 12,438,052.20 and 4,704,808.05 is: 7,057,212.08
Step by Step Solution
- Step 1: Write the proportion equation
8,292,034.80 : 12,438,052.20 = 4,704,808.05 : x - Step 2: Convert to fraction form
8,292,034.80/12,438,052.20 = 4,704,808.05/x - Step 3: Cross multiply
8,292,034.80x = 12,438,052.20 × 4,704,808.05 - Step 4: Simplify right side
8,292,034.80x = 58,518,648,116,880.20 - Step 5: Solve for x
x = 58,518,648,116,880.20/8,292,034.80 - Step 6: Final answer
x = 7,057,212.08
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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.