Finding the Fourth Proportional to 7,872,976.08, 11,813,062.32 and 3,556,180.44
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Solution
The fourth proportional to 7,872,976.08, 11,813,062.32 and 3,556,180.44 is: 5,335,895.95
Step by Step Solution
- Step 1: Write the proportion equation
7,872,976.08 : 11,813,062.32 = 3,556,180.44 : x - Step 2: Convert to fraction form
7,872,976.08/11,813,062.32 = 3,556,180.44/x - Step 3: Cross multiply
7,872,976.08x = 11,813,062.32 × 3,556,180.44 - Step 4: Simplify right side
7,872,976.08x = 42,009,381,158,885.02 - Step 5: Solve for x
x = 42,009,381,158,885.02/7,872,976.08 - Step 6: Final answer
x = 5,335,895.95
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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.