Finding the Fourth Proportional to 18,964,463.55, 26,170,959.11 and 10,262,636.07
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Solution
The fourth proportional to 18,964,463.55, 26,170,959.11 and 10,262,636.07 is: 14,162,437.46
Step by Step Solution
- Step 1: Write the proportion equation
18,964,463.55 : 26,170,959.11 = 10,262,636.07 : x - Step 2: Convert to fraction form
18,964,463.55/26,170,959.11 = 10,262,636.07/x - Step 3: Cross multiply
18,964,463.55x = 26,170,959.11 × 10,262,636.07 - Step 4: Simplify right side
18,964,463.55x = 268,583,028,948,781.09 - Step 5: Solve for x
x = 268,583,028,948,781.09/18,964,463.55 - Step 6: Final answer
x = 14,162,437.46
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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.