Finding the Fourth Proportional to 7,402,465.65, 11,103,698.48 and 4,416,481.65
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Solution
The fourth proportional to 7,402,465.65, 11,103,698.48 and 4,416,481.65 is: 6,624,722.48
Step by Step Solution
- Step 1: Write the proportion equation
7,402,465.65 : 11,103,698.48 = 4,416,481.65 : x - Step 2: Convert to fraction form
7,402,465.65/11,103,698.48 = 4,416,481.65/x - Step 3: Cross multiply
7,402,465.65x = 11,103,698.48 × 4,416,481.65 - Step 4: Simplify right side
7,402,465.65x = 49,039,280,584,052.90 - Step 5: Solve for x
x = 49,039,280,584,052.90/7,402,465.65 - Step 6: Final answer
x = 6,624,722.48
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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.