Finding the Fourth Proportional to 7,730,690.46, 11,596,070.87 and 2,613,147.75
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Solution
The fourth proportional to 7,730,690.46, 11,596,070.87 and 2,613,147.75 is: 3,919,733.52
Step by Step Solution
- Step 1: Write the proportion equation
7,730,690.46 : 11,596,070.87 = 2,613,147.75 : x - Step 2: Convert to fraction form
7,730,690.46/11,596,070.87 = 2,613,147.75/x - Step 3: Cross multiply
7,730,690.46x = 11,596,070.87 × 2,613,147.75 - Step 4: Simplify right side
7,730,690.46x = 30,302,246,502,781.04 - Step 5: Solve for x
x = 30,302,246,502,781.04/7,730,690.46 - Step 6: Final answer
x = 3,919,733.52
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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.