Finding the Fourth Proportional to 28,809,174.08, 43,165,782.84 and 20,271,573.92
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Solution
The fourth proportional to 28,809,174.08, 43,165,782.84 and 20,271,573.92 is: 30,373,600.97
Step by Step Solution
- Step 1: Write the proportion equation
28,809,174.08 : 43,165,782.84 = 20,271,573.92 : x - Step 2: Convert to fraction form
28,809,174.08/43,165,782.84 = 20,271,573.92/x - Step 3: Cross multiply
28,809,174.08x = 43,165,782.84 × 20,271,573.92 - Step 4: Simplify right side
28,809,174.08x = 875,038,357,655,727.62 - Step 5: Solve for x
x = 875,038,357,655,727.62/28,809,174.08 - Step 6: Final answer
x = 30,373,600.97
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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.