Finding the Fourth Proportional to 34,909,416.68, 52,328,195.68 and 15,487,789.20
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Solution
The fourth proportional to 34,909,416.68, 52,328,195.68 and 15,487,789.20 is: 23,215,743.52
Step by Step Solution
- Step 1: Write the proportion equation
34,909,416.68 : 52,328,195.68 = 15,487,789.20 : x - Step 2: Convert to fraction form
34,909,416.68/52,328,195.68 = 15,487,789.20/x - Step 3: Cross multiply
34,909,416.68x = 52,328,195.68 × 15,487,789.20 - Step 4: Simplify right side
34,909,416.68x = 810,448,063,908,190.62 - Step 5: Solve for x
x = 810,448,063,908,190.62/34,909,416.68 - Step 6: Final answer
x = 23,215,743.52
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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.