Finding the Fourth Proportional to 18,031,365.11, 27,048,297.90 and 7,248,670.22
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Solution
The fourth proportional to 18,031,365.11, 27,048,297.90 and 7,248,670.22 is: 10,873,507.92
Step by Step Solution
- Step 1: Write the proportion equation
18,031,365.11 : 27,048,297.90 = 7,248,670.22 : x - Step 2: Convert to fraction form
18,031,365.11/27,048,297.90 = 7,248,670.22/x - Step 3: Cross multiply
18,031,365.11x = 27,048,297.90 × 7,248,670.22 - Step 4: Simplify right side
18,031,365.11x = 196,064,191,354,177.03 - Step 5: Solve for x
x = 196,064,191,354,177.03/18,031,365.11 - Step 6: Final answer
x = 10,873,507.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.