Finding the Fourth Proportional to 8,126,795.08, 11,213,397.97 and 4,818,478.20
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Solution
The fourth proportional to 8,126,795.08, 11,213,397.97 and 4,818,478.20 is: 6,648,563.56
Step by Step Solution
- Step 1: Write the proportion equation
8,126,795.08 : 11,213,397.97 = 4,818,478.20 : x - Step 2: Convert to fraction form
8,126,795.08/11,213,397.97 = 4,818,478.20/x - Step 3: Cross multiply
8,126,795.08x = 11,213,397.97 × 4,818,478.20 - Step 4: Simplify right side
8,126,795.08x = 54,031,513,666,369.26 - Step 5: Solve for x
x = 54,031,513,666,369.26/8,126,795.08 - Step 6: Final answer
x = 6,648,563.56
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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.