Finding the Fourth Proportional to 7,730,690.96, 11,596,071.62 and 2,613,148.26
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Solution
The fourth proportional to 7,730,690.96, 11,596,071.62 and 2,613,148.26 is: 3,919,734.28
Step by Step Solution
- Step 1: Write the proportion equation
7,730,690.96 : 11,596,071.62 = 2,613,148.26 : x - Step 2: Convert to fraction form
7,730,690.96/11,596,071.62 = 2,613,148.26/x - Step 3: Cross multiply
7,730,690.96x = 11,596,071.62 × 2,613,148.26 - Step 4: Simplify right side
7,730,690.96x = 30,302,254,363,572.64 - Step 5: Solve for x
x = 30,302,254,363,572.64/7,730,690.96 - Step 6: Final answer
x = 3,919,734.28
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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.