Finding the Fourth Proportional to 13,263,583.19, 18,303,557.19 and 7,462,351.09
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Solution
The fourth proportional to 13,263,583.19, 18,303,557.19 and 7,462,351.09 is: 10,297,938.95
Step by Step Solution
- Step 1: Write the proportion equation
13,263,583.19 : 18,303,557.19 = 7,462,351.09 : x - Step 2: Convert to fraction form
13,263,583.19/18,303,557.19 = 7,462,351.09/x - Step 3: Cross multiply
13,263,583.19x = 18,303,557.19 × 7,462,351.09 - Step 4: Simplify right side
13,263,583.19x = 136,587,569,984,545.19 - Step 5: Solve for x
x = 136,587,569,984,545.19/13,263,583.19 - Step 6: Final answer
x = 10,297,938.95
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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.