Finding the Fourth Proportional to 13,051,263.76, 18,010,734.60 and 7,250,588.08
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Solution
The fourth proportional to 13,051,263.76, 18,010,734.60 and 7,250,588.08 is: 10,005,806.33
Step by Step Solution
- Step 1: Write the proportion equation
13,051,263.76 : 18,010,734.60 = 7,250,588.08 : x - Step 2: Convert to fraction form
13,051,263.76/18,010,734.60 = 7,250,588.08/x - Step 3: Cross multiply
13,051,263.76x = 18,010,734.60 × 7,250,588.08 - Step 4: Simplify right side
13,051,263.76x = 130,588,417,512,749.91 - Step 5: Solve for x
x = 130,588,417,512,749.91/13,051,263.76 - Step 6: Final answer
x = 10,005,806.33
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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.