Finding the Fourth Proportional to 18,964,363.47, 26,170,821.62 and 10,262,536.08
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Solution
The fourth proportional to 18,964,363.47, 26,170,821.62 and 10,262,536.08 is: 14,162,299.80
Step by Step Solution
- Step 1: Write the proportion equation
18,964,363.47 : 26,170,821.62 = 10,262,536.08 : x - Step 2: Convert to fraction form
18,964,363.47/26,170,821.62 = 10,262,536.08/x - Step 3: Cross multiply
18,964,363.47x = 26,170,821.62 × 10,262,536.08 - Step 4: Simplify right side
18,964,363.47x = 268,579,001,007,525.28 - Step 5: Solve for x
x = 268,579,001,007,525.28/18,964,363.47 - Step 6: Final answer
x = 14,162,299.80
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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.