Finding the Fourth Proportional to 7,338,146.08, 11,009,119.92 and 2,789,272.48
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Solution
The fourth proportional to 7,338,146.08, 11,009,119.92 and 2,789,272.48 is: 4,184,631.23
Step by Step Solution
- Step 1: Write the proportion equation
7,338,146.08 : 11,009,119.92 = 2,789,272.48 : x - Step 2: Convert to fraction form
7,338,146.08/11,009,119.92 = 2,789,272.48/x - Step 3: Cross multiply
7,338,146.08x = 11,009,119.92 × 2,789,272.48 - Step 4: Simplify right side
7,338,146.08x = 30,707,435,221,875.80 - Step 5: Solve for x
x = 30,707,435,221,875.80/7,338,146.08 - Step 6: Final answer
x = 4,184,631.23
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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.