Finding the Fourth Proportional to 22,109,292.24, 30,513,093.36 and 13,291,597.92
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Solution
The fourth proportional to 22,109,292.24, 30,513,093.36 and 13,291,597.92 is: 18,343,769.84
Step by Step Solution
- Step 1: Write the proportion equation
22,109,292.24 : 30,513,093.36 = 13,291,597.92 : x - Step 2: Convert to fraction form
22,109,292.24/30,513,093.36 = 13,291,597.92/x - Step 3: Cross multiply
22,109,292.24x = 30,513,093.36 × 13,291,597.92 - Step 4: Simplify right side
22,109,292.24x = 405,567,768,236,541.81 - Step 5: Solve for x
x = 405,567,768,236,541.81/22,109,292.24 - Step 6: Final answer
x = 18,343,769.84
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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.