Finding the Fourth Proportional to 48,642,662.97, 72,964,840.10 and 17,921,429.28
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Solution
The fourth proportional to 48,642,662.97, 72,964,840.10 and 17,921,429.28 is: 26,882,455.48
Step by Step Solution
- Step 1: Write the proportion equation
48,642,662.97 : 72,964,840.10 = 17,921,429.28 : x - Step 2: Convert to fraction form
48,642,662.97/72,964,840.10 = 17,921,429.28/x - Step 3: Cross multiply
48,642,662.97x = 72,964,840.10 × 17,921,429.28 - Step 4: Simplify right side
48,642,662.97x = 1,307,634,221,689,051 - Step 5: Solve for x
x = 1,307,634,221,689,051/48,642,662.97 - Step 6: Final answer
x = 26,882,455.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.