Finding the Fourth Proportional to 26,158,536.51, 39,212,347.68 and 12,508,157.31
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Solution
The fourth proportional to 26,158,536.51, 39,212,347.68 and 12,508,157.31 is: 18,750,063.22
Step by Step Solution
- Step 1: Write the proportion equation
26,158,536.51 : 39,212,347.68 = 12,508,157.31 : x - Step 2: Convert to fraction form
26,158,536.51/39,212,347.68 = 12,508,157.31/x - Step 3: Cross multiply
26,158,536.51x = 39,212,347.68 × 12,508,157.31 - Step 4: Simplify right side
26,158,536.51x = 490,474,213,275,853.56 - Step 5: Solve for x
x = 490,474,213,275,853.56/26,158,536.51 - Step 6: Final answer
x = 18,750,063.22
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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.