Finding the Fourth Proportional to 35,690,215.91, 53,536,478.92 and 16,990,461.95
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Solution
The fourth proportional to 35,690,215.91, 53,536,478.92 and 16,990,461.95 is: 25,486,242.79
Step by Step Solution
- Step 1: Write the proportion equation
35,690,215.91 : 53,536,478.92 = 16,990,461.95 : x - Step 2: Convert to fraction form
35,690,215.91/53,536,478.92 = 16,990,461.95/x - Step 3: Cross multiply
35,690,215.91x = 53,536,478.92 × 16,990,461.95 - Step 4: Simplify right side
35,690,215.91x = 909,609,507,717,078.50 - Step 5: Solve for x
x = 909,609,507,717,078.50/35,690,215.91 - Step 6: Final answer
x = 25,486,242.79
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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.