Finding the Fourth Proportional to 13,263,597.36, 18,303,576.66 and 7,462,365.18
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Solution
The fourth proportional to 13,263,597.36, 18,303,576.66 and 7,462,365.18 is: 10,297,958.35
Step by Step Solution
- Step 1: Write the proportion equation
13,263,597.36 : 18,303,576.66 = 7,462,365.18 : x - Step 2: Convert to fraction form
13,263,597.36/18,303,576.66 = 7,462,365.18/x - Step 3: Cross multiply
13,263,597.36x = 18,303,576.66 × 7,462,365.18 - Step 4: Simplify right side
13,263,597.36x = 136,587,973,137,044.69 - Step 5: Solve for x
x = 136,587,973,137,044.69/13,263,597.36 - Step 6: Final answer
x = 10,297,958.35
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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.