Finding the Fourth Proportional to 11,427,675.54, 15,770,646.92 and 6,271,221.62
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Solution
The fourth proportional to 11,427,675.54, 15,770,646.92 and 6,271,221.62 is: 8,654,535.35
Step by Step Solution
- Step 1: Write the proportion equation
11,427,675.54 : 15,770,646.92 = 6,271,221.62 : x - Step 2: Convert to fraction form
11,427,675.54/15,770,646.92 = 6,271,221.62/x - Step 3: Cross multiply
11,427,675.54x = 15,770,646.92 × 6,271,221.62 - Step 4: Simplify right side
11,427,675.54x = 98,901,221,926,090.41 - Step 5: Solve for x
x = 98,901,221,926,090.41/11,427,675.54 - Step 6: Final answer
x = 8,654,535.35
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1.5x scale
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.