Finding the Fourth Proportional to 11,427,945.76, 15,771,019.26 and 6,271,493.08
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Solution
The fourth proportional to 11,427,945.76, 15,771,019.26 and 6,271,493.08 is: 8,654,909.66
Step by Step Solution
- Step 1: Write the proportion equation
11,427,945.76 : 15,771,019.26 = 6,271,493.08 : x - Step 2: Convert to fraction form
11,427,945.76/15,771,019.26 = 6,271,493.08/x - Step 3: Cross multiply
11,427,945.76x = 15,771,019.26 × 6,271,493.08 - Step 4: Simplify right side
11,427,945.76x = 98,907,838,153,636.72 - Step 5: Solve for x
x = 98,907,838,153,636.72/11,427,945.76 - Step 6: Final answer
x = 8,654,909.66
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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.