Finding the Fourth Proportional to 19,579,983.36, 26,998,596 and 13,386,042.24
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Solution
The fourth proportional to 19,579,983.36, 26,998,596 and 13,386,042.24 is: 18,457,847.48
Step by Step Solution
- Step 1: Write the proportion equation
19,579,983.36 : 26,998,596 = 13,386,042.24 : x - Step 2: Convert to fraction form
19,579,983.36/26,998,596 = 13,386,042.24/x - Step 3: Cross multiply
19,579,983.36x = 26,998,596 × 13,386,042.24 - Step 4: Simplify right side
19,579,983.36x = 361,404,346,476,695.06 - Step 5: Solve for x
x = 361,404,346,476,695.06/19,579,983.36 - Step 6: Final answer
x = 18,457,847.48
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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.