Finding the Fourth Proportional to 23,378,920.30, 32,263,906.40 and 13,065,643.09
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Solution
The fourth proportional to 23,378,920.30, 32,263,906.40 and 13,065,643.09 is: 18,031,144.31
Step by Step Solution
- Step 1: Write the proportion equation
23,378,920.30 : 32,263,906.40 = 13,065,643.09 : x - Step 2: Convert to fraction form
23,378,920.30/32,263,906.40 = 13,065,643.09/x - Step 3: Cross multiply
23,378,920.30x = 32,263,906.40 × 13,065,643.09 - Step 4: Simplify right side
23,378,920.30x = 421,548,685,646,238.56 - Step 5: Solve for x
x = 421,548,685,646,238.56/23,378,920.30 - Step 6: Final answer
x = 18,031,144.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.