Finding the Fourth Proportional to 23,378,838.09, 32,263,793.03 and 13,065,561.09
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Solution
The fourth proportional to 23,378,838.09, 32,263,793.03 and 13,065,561.09 is: 18,031,031.19
Step by Step Solution
- Step 1: Write the proportion equation
23,378,838.09 : 32,263,793.03 = 13,065,561.09 : x - Step 2: Convert to fraction form
23,378,838.09/32,263,793.03 = 13,065,561.09/x - Step 3: Cross multiply
23,378,838.09x = 32,263,793.03 × 13,065,561.09 - Step 4: Simplify right side
23,378,838.09x = 421,544,558,828,581.19 - Step 5: Solve for x
x = 421,544,558,828,581.19/23,378,838.09 - Step 6: Final answer
x = 18,031,031.19
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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.