Finding the Fourth Proportional to 19,493,726.48, 26,904,157.84 and 11,232,207.12
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Solution
The fourth proportional to 19,493,726.48, 26,904,157.84 and 11,232,207.12 is: 15,502,067.99
Step by Step Solution
- Step 1: Write the proportion equation
19,493,726.48 : 26,904,157.84 = 11,232,207.12 : x - Step 2: Convert to fraction form
19,493,726.48/26,904,157.84 = 11,232,207.12/x - Step 3: Cross multiply
19,493,726.48x = 26,904,157.84 × 11,232,207.12 - Step 4: Simplify right side
19,493,726.48x = 302,193,073,248,051.81 - Step 5: Solve for x
x = 302,193,073,248,051.81/19,493,726.48 - Step 6: Final answer
x = 15,502,067.99
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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.