Finding the Fourth Proportional to 11,427,825.79, 15,769,623.23 and 6,271,519.48
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Solution
The fourth proportional to 11,427,825.79, 15,769,623.23 and 6,271,519.48 is: 8,654,270.82
Step by Step Solution
- Step 1: Write the proportion equation
11,427,825.79 : 15,769,623.23 = 6,271,519.48 : x - Step 2: Convert to fraction form
11,427,825.79/15,769,623.23 = 6,271,519.48/x - Step 3: Cross multiply
11,427,825.79x = 15,769,623.23 × 6,271,519.48 - Step 4: Simplify right side
11,427,825.79x = 98,899,499,247,847.92 - Step 5: Solve for x
x = 98,899,499,247,847.92/11,427,825.79 - Step 6: Final answer
x = 8,654,270.82
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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.