Finding the Fourth Proportional to 7,395,612.99, 10,206,340.16 and 4,132,506.93
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Solution
The fourth proportional to 7,395,612.99, 10,206,340.16 and 4,132,506.93 is: 5,703,079.85
Step by Step Solution
- Step 1: Write the proportion equation
7,395,612.99 : 10,206,340.16 = 4,132,506.93 : x - Step 2: Convert to fraction form
7,395,612.99/10,206,340.16 = 4,132,506.93/x - Step 3: Cross multiply
7,395,612.99x = 10,206,340.16 × 4,132,506.93 - Step 4: Simplify right side
7,395,612.99x = 42,177,771,441,137.31 - Step 5: Solve for x
x = 42,177,771,441,137.31/7,395,612.99 - Step 6: Final answer
x = 5,703,079.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.