Finding the Fourth Proportional to 13,263,575.74, 18,303,546.98 and 7,462,343.63
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Solution
The fourth proportional to 13,263,575.74, 18,303,546.98 and 7,462,343.63 is: 10,297,928.70
Step by Step Solution
- Step 1: Write the proportion equation
13,263,575.74 : 18,303,546.98 = 7,462,343.63 : x - Step 2: Convert to fraction form
13,263,575.74/18,303,546.98 = 7,462,343.63/x - Step 3: Cross multiply
13,263,575.74x = 18,303,546.98 × 7,462,343.63 - Step 4: Simplify right side
13,263,575.74x = 136,587,357,277,023.48 - Step 5: Solve for x
x = 136,587,357,277,023.48/13,263,575.74 - Step 6: Final answer
x = 10,297,928.70
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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.