Finding the Fourth Proportional to 6,526,653.64, 8,995,381.16 and 4,780,613.53
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Solution
The fourth proportional to 6,526,653.64, 8,995,381.16 and 4,780,613.53 is: 6,588,895.82
Step by Step Solution
- Step 1: Write the proportion equation
6,526,653.64 : 8,995,381.16 = 4,780,613.53 : x - Step 2: Convert to fraction form
6,526,653.64/8,995,381.16 = 4,780,613.53/x - Step 3: Cross multiply
6,526,653.64x = 8,995,381.16 × 4,780,613.53 - Step 4: Simplify right side
6,526,653.64x = 43,003,440,870,466.17 - Step 5: Solve for x
x = 43,003,440,870,466.17/6,526,653.64 - Step 6: Final answer
x = 6,588,895.82
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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.