Finding the Fourth Proportional to 11,271,176.60, 15,554,215.80 and 6,114,539.12
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Solution
The fourth proportional to 11,271,176.60, 15,554,215.80 and 6,114,539.12 is: 8,438,059.70
Step by Step Solution
- Step 1: Write the proportion equation
11,271,176.60 : 15,554,215.80 = 6,114,539.12 : x - Step 2: Convert to fraction form
11,271,176.60/15,554,215.80 = 6,114,539.12/x - Step 3: Cross multiply
11,271,176.60x = 15,554,215.80 × 6,114,539.12 - Step 4: Simplify right side
11,271,176.60x = 95,106,860,990,022.11 - Step 5: Solve for x
x = 95,106,860,990,022.11/11,271,176.60 - Step 6: Final answer
x = 8,438,059.70
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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.