Finding the Fourth Proportional to 17,587,246.10, 26,380,869.15 and 13,276,231.70
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Solution
The fourth proportional to 17,587,246.10, 26,380,869.15 and 13,276,231.70 is: 19,914,347.55
Step by Step Solution
- Step 1: Write the proportion equation
17,587,246.10 : 26,380,869.15 = 13,276,231.70 : x - Step 2: Convert to fraction form
17,587,246.10/26,380,869.15 = 13,276,231.70/x - Step 3: Cross multiply
17,587,246.10x = 26,380,869.15 × 13,276,231.70 - Step 4: Simplify right side
17,587,246.10x = 350,238,531,282,782 - Step 5: Solve for x
x = 350,238,531,282,782/17,587,246.10 - Step 6: Final answer
x = 19,914,347.55
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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.