Finding the Fourth Proportional to 6,740,143.20, 10,110,214.80 and 5,228,488.80
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Solution
The fourth proportional to 6,740,143.20, 10,110,214.80 and 5,228,488.80 is: 7,842,733.20
Step by Step Solution
- Step 1: Write the proportion equation
6,740,143.20 : 10,110,214.80 = 5,228,488.80 : x - Step 2: Convert to fraction form
6,740,143.20/10,110,214.80 = 5,228,488.80/x - Step 3: Cross multiply
6,740,143.20x = 10,110,214.80 × 5,228,488.80 - Step 4: Simplify right side
6,740,143.20x = 52,861,144,847,394.24 - Step 5: Solve for x
x = 52,861,144,847,394.24/6,740,143.20 - Step 6: Final answer
x = 7,842,733.20
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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.