Finding the Fourth Proportional to 17,756,170.32, 24,481,352.70 and 13,575,036.78
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Solution
The fourth proportional to 17,756,170.32, 24,481,352.70 and 13,575,036.78 is: 18,716,607.09
Step by Step Solution
- Step 1: Write the proportion equation
17,756,170.32 : 24,481,352.70 = 13,575,036.78 : x - Step 2: Convert to fraction form
17,756,170.32/24,481,352.70 = 13,575,036.78/x - Step 3: Cross multiply
17,756,170.32x = 24,481,352.70 × 13,575,036.78 - Step 4: Simplify right side
17,756,170.32x = 332,335,263,326,652.25 - Step 5: Solve for x
x = 332,335,263,326,652.25/17,756,170.32 - Step 6: Final answer
x = 18,716,607.09
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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.