Finding the Fourth Proportional to 7,868,782.14, 11,803,194.27 and 2,189,007.06
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Solution
The fourth proportional to 7,868,782.14, 11,803,194.27 and 2,189,007.06 is: 3,283,516.45
Step by Step Solution
- Step 1: Write the proportion equation
7,868,782.14 : 11,803,194.27 = 2,189,007.06 : x - Step 2: Convert to fraction form
7,868,782.14/11,803,194.27 = 2,189,007.06/x - Step 3: Cross multiply
7,868,782.14x = 11,803,194.27 × 2,189,007.06 - Step 4: Simplify right side
7,868,782.14x = 25,837,275,587,581.55 - Step 5: Solve for x
x = 25,837,275,587,581.55/7,868,782.14 - Step 6: Final answer
x = 3,283,516.45
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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.