Finding the Fourth Proportional to 7,960,613.24, 10,984,887.16 and 4,653,680.65
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Solution
The fourth proportional to 7,960,613.24, 10,984,887.16 and 4,653,680.65 is: 6,421,635.52
Step by Step Solution
- Step 1: Write the proportion equation
7,960,613.24 : 10,984,887.16 = 4,653,680.65 : x - Step 2: Convert to fraction form
7,960,613.24/10,984,887.16 = 4,653,680.65/x - Step 3: Cross multiply
7,960,613.24x = 10,984,887.16 × 4,653,680.65 - Step 4: Simplify right side
7,960,613.24x = 51,120,156,779,829.04 - Step 5: Solve for x
x = 51,120,156,779,829.04/7,960,613.24 - Step 6: Final answer
x = 6,421,635.52
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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.