Finding the Fourth Proportional to 17,419,931.67, 26,128,209.06 and 5,289,501.74
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Solution
The fourth proportional to 17,419,931.67, 26,128,209.06 and 5,289,501.74 is: 7,933,739.92
Step by Step Solution
- Step 1: Write the proportion equation
17,419,931.67 : 26,128,209.06 = 5,289,501.74 : x - Step 2: Convert to fraction form
17,419,931.67/26,128,209.06 = 5,289,501.74/x - Step 3: Cross multiply
17,419,931.67x = 26,128,209.06 × 5,289,501.74 - Step 4: Simplify right side
17,419,931.67x = 138,205,207,351,274.27 - Step 5: Solve for x
x = 138,205,207,351,274.27/17,419,931.67 - Step 6: Final answer
x = 7,933,739.92
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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.