Finding the Fourth Proportional to 17,913,405.42, 26,854,197.57 and 6,981,062.76
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Solution
The fourth proportional to 17,913,405.42, 26,854,197.57 and 6,981,062.76 is: 10,465,393.61
Step by Step Solution
- Step 1: Write the proportion equation
17,913,405.42 : 26,854,197.57 = 6,981,062.76 : x - Step 2: Convert to fraction form
17,913,405.42/26,854,197.57 = 6,981,062.76/x - Step 3: Cross multiply
17,913,405.42x = 26,854,197.57 × 6,981,062.76 - Step 4: Simplify right side
17,913,405.42x = 187,470,838,605,609.50 - Step 5: Solve for x
x = 187,470,838,605,609.50/17,913,405.42 - Step 6: Final answer
x = 10,465,393.61
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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.