Finding the Fourth Proportional to 13,165,323.08, 19,740,883.80 and 5,972,932.58
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Solution
The fourth proportional to 13,165,323.08, 19,740,883.80 and 5,972,932.58 is: 8,956,177.32
Step by Step Solution
- Step 1: Write the proportion equation
13,165,323.08 : 19,740,883.80 = 5,972,932.58 : x - Step 2: Convert to fraction form
13,165,323.08/19,740,883.80 = 5,972,932.58/x - Step 3: Cross multiply
13,165,323.08x = 19,740,883.80 × 5,972,932.58 - Step 4: Simplify right side
13,165,323.08x = 117,910,968,007,014.20 - Step 5: Solve for x
x = 117,910,968,007,014.20/13,165,323.08 - Step 6: Final answer
x = 8,956,177.32
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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.