Finding the Fourth Proportional to 19,969,448.30, 27,557,948.49 and 11,149,298.36
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Solution
The fourth proportional to 19,969,448.30, 27,557,948.49 and 11,149,298.36 is: 15,386,093.06
Step by Step Solution
- Step 1: Write the proportion equation
19,969,448.30 : 27,557,948.49 = 11,149,298.36 : x - Step 2: Convert to fraction form
19,969,448.30/27,557,948.49 = 11,149,298.36/x - Step 3: Cross multiply
19,969,448.30x = 27,557,948.49 × 11,149,298.36 - Step 4: Simplify right side
19,969,448.30x = 307,251,789,904,521.44 - Step 5: Solve for x
x = 307,251,789,904,521.44/19,969,448.30 - Step 6: Final answer
x = 15,386,093.06
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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.