Finding the Fourth Proportional to 11,659,928.48, 16,090,647.92 and 6,432,794.40
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Solution
The fourth proportional to 11,659,928.48, 16,090,647.92 and 6,432,794.40 is: 8,877,226.82
Step by Step Solution
- Step 1: Write the proportion equation
11,659,928.48 : 16,090,647.92 = 6,432,794.40 : x - Step 2: Convert to fraction form
11,659,928.48/16,090,647.92 = 6,432,794.40/x - Step 3: Cross multiply
11,659,928.48x = 16,090,647.92 × 6,432,794.40 - Step 4: Simplify right side
11,659,928.48x = 103,507,829,832,147.66 - Step 5: Solve for x
x = 103,507,829,832,147.66/11,659,928.48 - Step 6: Final answer
x = 8,877,226.82
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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.