Finding the Fourth Proportional to 7,465,739.66, 10,297,220.21 and 5,630,275.31
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Solution
The fourth proportional to 7,465,739.66, 10,297,220.21 and 5,630,275.31 is: 7,765,631.72
Step by Step Solution
- Step 1: Write the proportion equation
7,465,739.66 : 10,297,220.21 = 5,630,275.31 : x - Step 2: Convert to fraction form
7,465,739.66/10,297,220.21 = 5,630,275.31/x - Step 3: Cross multiply
7,465,739.66x = 10,297,220.21 × 5,630,275.31 - Step 4: Simplify right side
7,465,739.66x = 57,976,184,672,585.60 - Step 5: Solve for x
x = 57,976,184,672,585.60/7,465,739.66 - Step 6: Final answer
x = 7,765,631.72
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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.