Finding the Fourth Proportional to 13,349,676.36, 19,991,854.80 and 12,055,750.56
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Solution
The fourth proportional to 13,349,676.36, 19,991,854.80 and 12,055,750.56 is: 18,054,131.67
Step by Step Solution
- Step 1: Write the proportion equation
13,349,676.36 : 19,991,854.80 = 12,055,750.56 : x - Step 2: Convert to fraction form
13,349,676.36/19,991,854.80 = 12,055,750.56/x - Step 3: Cross multiply
13,349,676.36x = 19,991,854.80 × 12,055,750.56 - Step 4: Simplify right side
13,349,676.36x = 241,016,814,700,538.72 - Step 5: Solve for x
x = 241,016,814,700,538.72/13,349,676.36 - Step 6: Final answer
x = 18,054,131.67
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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.